Endometrium | The Common Vein

Ashley Davidoff MD

Definition

The endometrial stripe is a dynamic structure subject to the fluxesof the hormones in the days preceding ovulation and the days of expectant implanation in the days following ovulation.

The Uterus in the Sagittal Plane

The sagittal STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content.

Axial Plane Coronal Projection

The axial STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. Because the uterus is anteverted it lies flat so that in this instance the coronal plane of the uterus is demonstrated. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content. Two high signal cuysts are seen in the right ovary

In the follicular phase, during the days when estrogen influence dominates the

In the preovulatory phase a trilaminar endonetrial stripe is present characteristic of the proliferative phase

The luteal phase is dominated by progesterone influence changing the endometrium into a secretory pattern characterized by ultrasound as a increasingly echogenic and lss of the trilaminar pattern

1 week

Endometrium In Early Proliferative Phase

The normal sagittal view of the uterus is a transvaginal ultrasound, in the first week after menstruation after menstruation, and just prior to the next menstruation after the endometrium has been shed. It demonstrates that the endometrium becomes a single echogenic line consisting of opposing walls (orange) and is surrounded by a subendometrial halo of the junctional zone (tan). This layer is more compacted, and relatively hypovascular. This image is typical of the early proliferative phase. It is during this time that estrogen starts to rise and progesterone has fallen. The endometrium in this case measures about 3mms.

2 Weeks

Endometrium in LAte Proliferative Phase

Triple Stripe – Trilaminar Appearance – Preovulation

The normal sagittal view of the uterus is a transvaginal ultrasound, 2 weeks after menstruation, and just prior to ovulation. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the trilaminar appearance of the endometrium and is characteristic of the appearance of the endometrium in the preovulatory phase. This pahse is also called the follicular phase, or proliferative phase. It is during this time that estrogen is the dominant hormonal influence. The appearance is also known as a “triple stripe”, and conversely, its presence is seen before progesterone is produced. If present with a 9mm+ diameter, it reflects an ideal potential lining for fertilization.. In this case it measured 1.2cms.

3 Weeks

Endometrium in Mid Secretory Phase

LMP about 3 Weeks Prior

In this 26 year premenstrual female a transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic premenstrual appearance. (a) The stripe is almost homogeneously echogenic and thick but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The homogeneous stripe is made up from two histological layers (barely distinguished by this ultrasound)? the inner stratum functionalis (deep orange) that will shed once the spiral arteries vasoconstrict, and the outer stratum basalis (deep yellow) that will not shed, and will be the basis for regenerating the endometrium in the next cycle. The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon). (b)

4 Weeks

Premenstrual

The normal sagittal view of the uterus is a transvaginal ultrasound, about 4 weeks after menstruation, and just prior to the next menstrauation when the endometrium is overripe. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the hyperechoic, homogeneous, thick endometrium characteristic of the secretory phase. It is during this time that progesterone is the dominant hormonal influence and estrogen influence is minimal. The endometrium in this case measures 1.2cms.

High Ppower Changes at Menstruation

Shedding the Functional Layer

The diagram reflects the premenstrual endometrium (left) and the post menstrual endometrium right, revealing the necrosis of the functional layer with sloughing and hemorrhage. The basal layer with the staright arteries and a small portion of the spiral artery remains intact. The hemorrhage is controlled by spasm of the arteries and contraction of the myometrium.

Endometrium During Pregnancy

Junctional Zone – Early Pregnancy

In this 16 year old patient her LMP was about 4 weeks ago and she had a positive pregnancy test. The transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic early pregnancy appearance characterized by the gestational sac (gs) embedded in the stratum functionalis (deep orange). The stratum basalis is seen as a slightly more echogenic layer around the functional layer (deep yellow). The stripe is thick measuring about The next layer is a barely seen junctional layer (salmon pink) best seen on the anterior subendometrial layer just beyond the basalis The next layer is the thicker outer myometrium (maroon) that contains dilated vessels.

Post Menopausal

Post Menopausal uterus

Junctional Zone Prominent

In this 60 year old female with normal atrophied post menopausal uterus the transabdominal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic postmenopausal appearance. The stripe is thin measuring about 2mm homogeneously echogenic but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The echogenic stripe is made up from a single histological layer the stratum basalis (deep yellow) The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon).

Submucosal Fibroid

The USscan (sonohysterogram) scan is from a 41year old female, who presents with dysfunctional uterine bleeding. The study reveals a 4mms submucosal nodule shown at pathology to be a submucosal fibroid.

Hyperplastic Polyp

84299c05.8s The USscan (hysterosonogram is from a 47year old female, with history metrorhagia dysfunctional uterine bleeding. The studies reveal a mass in the uterus within the endometrial cavity The polypwas shown to be a benign hyperplastic polyp. uterus endometrium mass polyp hyperplastic USscan hysterosonogram Courtesy Ashley Davidoff MD copyright 2009 all rights reserved

Filling Defect

This 38 year old female presents with a history of infertility. The hysterosalpingogram shows non filling of both Fallopian tubes and a filling defect (green) in the region of the patient?s left cornu that likely is the cause of the obstructed left tube and in part the cause of the infertility. The lesion is most likely a submucosal fibroid.

Two Lesions in the Junctional Zone Impinging on the Endometrium

Subucosal Fibroid or Adenomyosis

This patient presents with menorrhagia. Two echogenic nodules (overlaid in green) are seen in the subendometrial layer, (junctional zone). They are in close proximity and do appear to have appositional relationships with the endometrial stripe. They appear to and distort the endometrial lining. These findings could account for the patient’s menorrhagia. Note that the uterus is retroverted Included in the differential diagnosis are submucosal fibroids, and dystrophic changes in prior foci of adenomyosis. An MRI would be helpful in further characterizing these lesions in the subendometrial layer

Hyperplasia

Thick Heterogeneous Endometrium

The transvaginal ultrasound is from a 60 year old female who presents with spotting Ultrasound reveals a heterogeneous endometrial stripe consistent with endometrial hyperplasia though endometrial carcinoma is a possibility. Malignant neoplasia is a a les likely possibility

Endometrial Cancer

Endometrial Carcinoma and Uterine Obstruction

The ultrasound is from a 70 year old post menopausal female who presents with an enlarged uterus. The endometrial stripe is enlarged and is filled with fluid and an enhancing soft tissue mass consistent with an endometrial carcinoma. Note blood flow as depicted by Doppler exam (c) characterizing the soft tissue as tumor rather than a clot.

Focal Endometrial Thickening

The coroanal CTreformatted CTscan images are from a 46 year old female with endometrial carcinoma. The images show an focal area of soft tissue thickening (green), on the superior surface (b) and rightward (green d) of the endometrial cavity (orange) .

Endometrial Carcinoma with Obstruction of the Uterus and Fallopian Tubes

70 year old female with pelvic discomfort. The CT shows an endometrium filled with complex soft tissue (green), fluid and or blood (orange) and the Fallopian tubes which are distended with fluid (yellow) caused by the obstructing carcinoma.

Courtesy Ashley DAvidoff MD 48414c02.8s

Fibroid Impingement on the Endometrium

In this sagittal view of a T2 weighted MRI of the uterus of a 42 year old female with multiple fibroids two of which impinge on the endometrial cavity (the larger (light green) from posterior and the smaller (dark green) from anterior resulting in a sigmoid shaped cavity (yellow). In addition incidentally noted Nabothian cysts (orange) are seen within the cervix.

Hemorrhage into the Endometrial Cavity

The ultrasound is from a 33 year old female who had a cervical biopsy and then showed complex fluid in a distended endometrial cavity. the findings are consistent with hematocolpos, but in the appropriate clinical setting could represent pyocolpos

Deformity of the Endometrial CAvity Caused by an Intramural Fibroid

In this sagittal view of the T1 weighted contrast enhanced study of the the uterus of a 46 year old female. The uterus roughly retains its pear shaped structure but the shape of the endometrial cavity is distinctly abnormal as if there is something pushing on it from above. This patient has a diffusely enhancing isointense leiomyoma that impinges on the endometrial cavity.

Large Intramural Fibroid Deforming the Stripe

T2 Weighted Image

In this sagittal view of the T2 weighted MRI of the uterus of a 46 year old female an almost 6cms slightly hyperintense fibroid is seen pushing on the endometrial cavity from above. This patient has a large fibroid aka leiomyoma that impinges on the endometrial cavity.

Carcinoma of the Cervix in a Bicornuate Uterus Complicated by Obstruction

74 year old female with bicornuate uterus and dilated endometrial cavities Diagnosis is carcinoma of the cervix with obstruction . The myometrium is overlaid in dark pink, and the endometrial cavity is a heterogeneous orange consisting of both fluid and soft tissue elements.

Congenital Anomalies

Two Hemiuteri, Two Cervices and One Vagina

MRI T2 Weighted with FAt Saturation

The MRI is from a 24F year old female with uterus didelphys The T2 weighted study in axial projection reveals 2 uterine corpuses (a) 2 cervices (b), vaginal septum in the upper 1/3 (c) but single distal vagina (d)

Ectopic Endometrium

35 year old female who is post C section shows a nodule within the scar of the cesarian section most consistent with an endometrial implant. The ultrasound shows two nodules, each with doppler flow, characteristic in appearance and by location of ectopic endometrial tissue.

References

Nalaboff, Kenneth M. MD, Pellerito, John S. MD and Ben-Levi, Eran MD Imaging the Endometrium: Disease and Normal Variants RadioGraphics, 21, 1409-1424. November 2001

E. R. Sokol , H. Casele and E. I. Haney Ultrasound examination of the postpartum uterus: what is normal?

2004, Vol. 15, No. 2 , Pages 95-99

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Ectopic Endometrium



35 year old female who is post C section shows a nodule within the scar of the cesarian section most consistent with an endometrial implant. The ultrasound shows two nodules, each with doppler flow, characteristic in appearance and by location of ectopic endometrial tissue.
 Courtesy Ashley Davidoff MD Copyright 2009 all rights reserved 83624c01.8



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Ectopic Endometrium



35 year old female who is post C section shows a nodule within the scar of the cesarian section most consistent with an endometrial implant. The ultrasound shows two nodules, each with doppler flow, characteristic in appearance and by location of ectopic endometrial tissue.
 Courtesy Ashley Davidoff MD Copyright 2009 all rights reserved 83624c01.8



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    [textContent] => 35 year old female who is post C section shows a nodule within the scar of the cesarian section most consistent with an endometrial implant. The ultrasound shows two nodules, each with doppler flow, characteristic in appearance and by location of ectopic endometrial tissue.
 Courtesy Ashley Davidoff MD Copyright 2009 all rights reserved 83624c01.8
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Two Hemiuteri, Two Cervices and One Vagina
MRI T2 Weighted with FAt Saturation



The MRI is from a 24F year old female with uterus didelphys The T2 weighted study in axial projection reveals 2 uterine corpuses (a) 2 cervices (b), vaginal septum in the upper 1/3 (c) but single distal vagina (d)
Image Courtesy Ashley Davidoff MD Copyright 2010  83730c01L.8s




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Two Hemiuteri, Two Cervices and One Vagina
MRI T2 Weighted with FAt Saturation



The MRI is from a 24F year old female with uterus didelphys The T2 weighted study in axial projection reveals 2 uterine corpuses (a) 2 cervices (b), vaginal septum in the upper 1/3 (c) but single distal vagina (d)
Image Courtesy Ashley Davidoff MD Copyright 2010  83730c01L.8s




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The MRI is from a 24F year old female with uterus didelphys The T2 weighted study in axial projection reveals 2 uterine corpuses (a) 2 cervices (b), vaginal septum in the upper 1/3 (c) but single distal vagina (d)
Image Courtesy Ashley Davidoff MD Copyright 2010  83730c01L.8s

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The MRI is from a 24F year old female with uterus didelphys The T2 weighted study in axial projection reveals 2 uterine corpuses (a) 2 cervices (b), vaginal septum in the upper 1/3 (c) but single distal vagina (d)
Image Courtesy Ashley Davidoff MD Copyright 2010  83730c01L.8s

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MRI T2 Weighted with FAt Saturation
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MRI T2 Weighted with FAt Saturation
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Carcinoma of the Cervix in a Bicornuate Uterus Complicated by Obstruction



 74 year old female with bicornuate uterus and dilated endometrial cavities Diagnosis is carcinoma of the cervix with obstruction . The myometrium is overlaid in dark pink, and the endometrial cavity is a heterogeneous orange consisting of both fluid and soft tissue elements.
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 83438c01.8s



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Carcinoma of the Cervix in a Bicornuate Uterus Complicated by Obstruction



 74 year old female with bicornuate uterus and dilated endometrial cavities Diagnosis is carcinoma of the cervix with obstruction . The myometrium is overlaid in dark pink, and the endometrial cavity is a heterogeneous orange consisting of both fluid and soft tissue elements.
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 83438c01.8s



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Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 83438c01.8s
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Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 83438c01.8s
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Large Intramural Fibroid Deforming the Stripe
T2 Weighted Image



In this sagittal view of the T2 weighted MRI of the uterus of a 46 year old female an almost 6cms slightly hyperintense fibroid is seen pushing on the endometrial cavity from above. This patient has a large fibroid aka leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96570.8s




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Large Intramural Fibroid Deforming the Stripe
T2 Weighted Image



In this sagittal view of the T2 weighted MRI of the uterus of a 46 year old female an almost 6cms slightly hyperintense fibroid is seen pushing on the endometrial cavity from above. This patient has a large fibroid aka leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96570.8s




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In this sagittal view of the T2 weighted MRI of the uterus of a 46 year old female an almost 6cms slightly hyperintense fibroid is seen pushing on the endometrial cavity from above. This patient has a large fibroid aka leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96570.8s

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In this sagittal view of the T2 weighted MRI of the uterus of a 46 year old female an almost 6cms slightly hyperintense fibroid is seen pushing on the endometrial cavity from above. This patient has a large fibroid aka leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96570.8s

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Large Intramural Fibroid Deforming the Stripe
T2 Weighted Image
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Large Intramural Fibroid Deforming the Stripe
T2 Weighted Image
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Deformity of the Endometrial CAvity Caused by an Intramural Fibroid



In this sagittal view of the T1 weighted contrast enhanced study of the the uterus of a 46 year old female. The uterus roughly retains its pear shaped structure but the shape of the endometrial cavity is distinctly abnormal as if there is something pushing on it from above. This patient has a diffusely enhancing isointense leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96577.8s




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Deformity of the Endometrial CAvity Caused by an Intramural Fibroid



In this sagittal view of the T1 weighted contrast enhanced study of the the uterus of a 46 year old female. The uterus roughly retains its pear shaped structure but the shape of the endometrial cavity is distinctly abnormal as if there is something pushing on it from above. This patient has a diffusely enhancing isointense leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96577.8s




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In this sagittal view of the T1 weighted contrast enhanced study of the the uterus of a 46 year old female. The uterus roughly retains its pear shaped structure but the shape of the endometrial cavity is distinctly abnormal as if there is something pushing on it from above. This patient has a diffusely enhancing isointense leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96577.8s

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In this sagittal view of the T1 weighted contrast enhanced study of the the uterus of a 46 year old female. The uterus roughly retains its pear shaped structure but the shape of the endometrial cavity is distinctly abnormal as if there is something pushing on it from above. This patient has a diffusely enhancing isointense leiomyoma that impinges on the endometrial cavity.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96577.8s

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Deformity of the Endometrial CAvity Caused by an Intramural Fibroid
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Deformity of the Endometrial CAvity Caused by an Intramural Fibroid
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Hemorrhage into the Endometrial Cavity



The ultrasound is from a 33 year old female who had a cervical biopsy and then showed complex fluid in a distended endometrial cavity. the findings are consistent with hematocolpos, but in the appropriate clinical setting could represent pyocolpos
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 85940c02.8s



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Hemorrhage into the Endometrial Cavity



The ultrasound is from a 33 year old female who had a cervical biopsy and then showed complex fluid in a distended endometrial cavity. the findings are consistent with hematocolpos, but in the appropriate clinical setting could represent pyocolpos
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 85940c02.8s



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Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 85940c02.8s
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Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 85940c02.8s
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Hemorrhage into the Endometrial Cavity

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Hemorrhage into the Endometrial Cavity

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Fibroid Impingement on the Endometrium



In this sagittal view of a T2 weighted MRI of the uterus of a 42 year old female with multiple fibroids two of which impinge on the endometrial cavity (the larger (light green) from posterior and the smaller (dark green) from anterior resulting in a sigmoid shaped cavity (yellow). In addition incidentally noted Nabothian cysts (orange) are seen within the cervix.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96531c02.8s




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Fibroid Impingement on the Endometrium



In this sagittal view of a T2 weighted MRI of the uterus of a 42 year old female with multiple fibroids two of which impinge on the endometrial cavity (the larger (light green) from posterior and the smaller (dark green) from anterior resulting in a sigmoid shaped cavity (yellow). In addition incidentally noted Nabothian cysts (orange) are seen within the cervix.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96531c02.8s




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In this sagittal view of a T2 weighted MRI of the uterus of a 42 year old female with multiple fibroids two of which impinge on the endometrial cavity (the larger (light green) from posterior and the smaller (dark green) from anterior resulting in a sigmoid shaped cavity (yellow). In addition incidentally noted Nabothian cysts (orange) are seen within the cervix.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96531c02.8s

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In this sagittal view of a T2 weighted MRI of the uterus of a 42 year old female with multiple fibroids two of which impinge on the endometrial cavity (the larger (light green) from posterior and the smaller (dark green) from anterior resulting in a sigmoid shaped cavity (yellow). In addition incidentally noted Nabothian cysts (orange) are seen within the cervix.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96531c02.8s

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Endometrial Carcinoma with Obstruction of the Uterus and Fallopian Tubes



70 year old female with pelvic discomfort.  The CT shows an endometrium filled with complex soft tissue (green), fluid and or blood (orange) and the Fallopian tubes which are distended with fluid (yellow) caused by the obstructing carcinoma. 
Courtesy Ashley DAvidoff MD 48414c02.8s



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Endometrial Carcinoma with Obstruction of the Uterus and Fallopian Tubes



70 year old female with pelvic discomfort.  The CT shows an endometrium filled with complex soft tissue (green), fluid and or blood (orange) and the Fallopian tubes which are distended with fluid (yellow) caused by the obstructing carcinoma. 
Courtesy Ashley DAvidoff MD 48414c02.8s



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Courtesy Ashley DAvidoff MD 48414c02.8s
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Courtesy Ashley DAvidoff MD 48414c02.8s
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Endometrial Carcinoma with Obstruction of the Uterus and Fallopian Tubes

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Focal Endometrial Thickening



The coroanal CTreformatted CTscan images are from a 46 year old female with endometrial carcinoma.  The images show an focal area of soft tissue thickening (green), on the superior surface (b) and rightward (green d) of the endometrial cavity (orange) .
83494c01.8s Courtesy Ashley Davidoff Copyright 2010 all rights reserved




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Focal Endometrial Thickening



The coroanal CTreformatted CTscan images are from a 46 year old female with endometrial carcinoma.  The images show an focal area of soft tissue thickening (green), on the superior surface (b) and rightward (green d) of the endometrial cavity (orange) .
83494c01.8s Courtesy Ashley Davidoff Copyright 2010 all rights reserved




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The coroanal CTreformatted CTscan images are from a 46 year old female with endometrial carcinoma.  The images show an focal area of soft tissue thickening (green), on the superior surface (b) and rightward (green d) of the endometrial cavity (orange) .
83494c01.8s Courtesy Ashley Davidoff Copyright 2010 all rights reserved

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The coroanal CTreformatted CTscan images are from a 46 year old female with endometrial carcinoma.  The images show an focal area of soft tissue thickening (green), on the superior surface (b) and rightward (green d) of the endometrial cavity (orange) .
83494c01.8s Courtesy Ashley Davidoff Copyright 2010 all rights reserved

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Focal Endometrial Thickening
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Endometrial Carcinoma and Uterine Obstruction



The ultrasound is from a 70 year old post menopausal female who presents with an enlarged uterus. The endometrial stripe is enlarged and is filled with fluid and an enhancing soft tissue mass consistent with an endometrial carcinoma. Note blood flow as depicted by Doppler exam (c) characterizing the soft tissue as tumor rather than a clot.
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 86206c.8s




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Endometrial Carcinoma and Uterine Obstruction



The ultrasound is from a 70 year old post menopausal female who presents with an enlarged uterus. The endometrial stripe is enlarged and is filled with fluid and an enhancing soft tissue mass consistent with an endometrial carcinoma. Note blood flow as depicted by Doppler exam (c) characterizing the soft tissue as tumor rather than a clot.
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 86206c.8s




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The ultrasound is from a 70 year old post menopausal female who presents with an enlarged uterus. The endometrial stripe is enlarged and is filled with fluid and an enhancing soft tissue mass consistent with an endometrial carcinoma. Note blood flow as depicted by Doppler exam (c) characterizing the soft tissue as tumor rather than a clot.
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 86206c.8s

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The ultrasound is from a 70 year old post menopausal female who presents with an enlarged uterus. The endometrial stripe is enlarged and is filled with fluid and an enhancing soft tissue mass consistent with an endometrial carcinoma. Note blood flow as depicted by Doppler exam (c) characterizing the soft tissue as tumor rather than a clot.
Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 86206c.8s

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Endometrial Carcinoma and Uterine Obstruction
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Thick Heterogeneous Endometrium



The transvaginal ultrasound is from a 60 year old female who presents with spotting Ultrasound reveals a heterogeneous endometrial stripe consistent with endometrial hyperplasia though endometrial carcinoma is a possibility. Malignant neoplasia is a a les likely possibility
Courtesy Ashley DAvidoff MD copyright 2010  83301.81s




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Thick Heterogeneous Endometrium



The transvaginal ultrasound is from a 60 year old female who presents with spotting Ultrasound reveals a heterogeneous endometrial stripe consistent with endometrial hyperplasia though endometrial carcinoma is a possibility. Malignant neoplasia is a a les likely possibility
Courtesy Ashley DAvidoff MD copyright 2010  83301.81s




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The transvaginal ultrasound is from a 60 year old female who presents with spotting Ultrasound reveals a heterogeneous endometrial stripe consistent with endometrial hyperplasia though endometrial carcinoma is a possibility. Malignant neoplasia is a a les likely possibility
Courtesy Ashley DAvidoff MD copyright 2010  83301.81s

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The transvaginal ultrasound is from a 60 year old female who presents with spotting Ultrasound reveals a heterogeneous endometrial stripe consistent with endometrial hyperplasia though endometrial carcinoma is a possibility. Malignant neoplasia is a a les likely possibility
Courtesy Ashley DAvidoff MD copyright 2010  83301.81s

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Two Lesions in the Junctional Zone Impinging on the Endometrium
Subucosal Fibroid or Adenomyosis



This patient presents with menorrhagia. Two echogenic nodules (overlaid in green) are seen in the subendometrial layer, (junctional zone). They are in close proximity and do appear to have appositional relationships with the endometrial stripe. They appear to and distort the endometrial lining. These findings could account for the patient’s menorrhagia. Note that the uterus is retroverted Included in the differential diagnosis are submucosal fibroids, and dystrophic changes in prior foci of adenomyosis. An MRI would be helpful in further characterizing these lesions in the subendometrial layer
copyright 2009 all rights resrved Courtesy Ashley Davidoff MD 85641bc01.8s



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Two Lesions in the Junctional Zone Impinging on the Endometrium
Subucosal Fibroid or Adenomyosis



This patient presents with menorrhagia. Two echogenic nodules (overlaid in green) are seen in the subendometrial layer, (junctional zone). They are in close proximity and do appear to have appositional relationships with the endometrial stripe. They appear to and distort the endometrial lining. These findings could account for the patient’s menorrhagia. Note that the uterus is retroverted Included in the differential diagnosis are submucosal fibroids, and dystrophic changes in prior foci of adenomyosis. An MRI would be helpful in further characterizing these lesions in the subendometrial layer
copyright 2009 all rights resrved Courtesy Ashley Davidoff MD 85641bc01.8s



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    [nodeValue] => This patient presents with menorrhagia. Two echogenic nodules (overlaid in green) are seen in the subendometrial layer, (junctional zone). They are in close proximity and do appear to have appositional relationships with the endometrial stripe. They appear to and distort the endometrial lining. These findings could account for the patient’s menorrhagia. Note that the uterus is retroverted Included in the differential diagnosis are submucosal fibroids, and dystrophic changes in prior foci of adenomyosis. An MRI would be helpful in further characterizing these lesions in the subendometrial layer
copyright 2009 all rights resrved Courtesy Ashley Davidoff MD 85641bc01.8s
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    [textContent] => This patient presents with menorrhagia. Two echogenic nodules (overlaid in green) are seen in the subendometrial layer, (junctional zone). They are in close proximity and do appear to have appositional relationships with the endometrial stripe. They appear to and distort the endometrial lining. These findings could account for the patient’s menorrhagia. Note that the uterus is retroverted Included in the differential diagnosis are submucosal fibroids, and dystrophic changes in prior foci of adenomyosis. An MRI would be helpful in further characterizing these lesions in the subendometrial layer
copyright 2009 all rights resrved Courtesy Ashley Davidoff MD 85641bc01.8s
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Two Lesions in the Junctional Zone Impinging on the Endometrium
Subucosal Fibroid or Adenomyosis

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Two Lesions in the Junctional Zone Impinging on the Endometrium
Subucosal Fibroid or Adenomyosis

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Filling Defect



This 38 year old female presents with a history of infertility. The hysterosalpingogram shows non filling of both Fallopian tubes and a filling defect (green) in the region of the patient?s left cornu that likely is the cause of the obstructed left tube and in part the cause of the infertility. The lesion is most likely a submucosal fibroid.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96897c02.8s




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Filling Defect



This 38 year old female presents with a history of infertility. The hysterosalpingogram shows non filling of both Fallopian tubes and a filling defect (green) in the region of the patient?s left cornu that likely is the cause of the obstructed left tube and in part the cause of the infertility. The lesion is most likely a submucosal fibroid.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96897c02.8s




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This 38 year old female presents with a history of infertility. The hysterosalpingogram shows non filling of both Fallopian tubes and a filling defect (green) in the region of the patient?s left cornu that likely is the cause of the obstructed left tube and in part the cause of the infertility. The lesion is most likely a submucosal fibroid.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96897c02.8s

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This 38 year old female presents with a history of infertility. The hysterosalpingogram shows non filling of both Fallopian tubes and a filling defect (green) in the region of the patient?s left cornu that likely is the cause of the obstructed left tube and in part the cause of the infertility. The lesion is most likely a submucosal fibroid.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96897c02.8s

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Filling Defect
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Filling Defect
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Hyperplastic Polyp



84299c05.8s The USscan (hysterosonogram is from a 47year old female, with history metrorhagia dysfunctional uterine bleeding. The studies reveal a mass in the uterus within the endometrial cavity The polypwas shown to be a benign hyperplastic polyp. uterus endometrium mass polyp hyperplastic USscan hysterosonogram Courtesy Ashley Davidoff MD copyright 2009 all rights reserved



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Hyperplastic Polyp



84299c05.8s The USscan (hysterosonogram is from a 47year old female, with history metrorhagia dysfunctional uterine bleeding. The studies reveal a mass in the uterus within the endometrial cavity The polypwas shown to be a benign hyperplastic polyp. uterus endometrium mass polyp hyperplastic USscan hysterosonogram Courtesy Ashley Davidoff MD copyright 2009 all rights reserved



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Hyperplastic Polyp

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Hyperplastic Polyp

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Submucosal Fibroid



The USscan (sonohysterogram) scan is from a 41year old female, who presents with dysfunctional uterine bleeding. The study reveals a 4mms submucosal nodule shown at pathology to be a submucosal fibroid.
uterus fibroid leiomyoma submucosal USscan sonohysterogram Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 84299c041.8



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Submucosal Fibroid



The USscan (sonohysterogram) scan is from a 41year old female, who presents with dysfunctional uterine bleeding. The study reveals a 4mms submucosal nodule shown at pathology to be a submucosal fibroid.
uterus fibroid leiomyoma submucosal USscan sonohysterogram Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 84299c041.8



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uterus fibroid leiomyoma submucosal USscan sonohysterogram Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 84299c041.8
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uterus fibroid leiomyoma submucosal USscan sonohysterogram Courtesy Ashley Davidoff MD copyright 2009 all rights reserved 84299c041.8
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Submucosal Fibroid

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Submucosal Fibroid

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Post Menopausal uterus
Junctional Zone Prominent



In this 60 year old female with normal atrophied post menopausal uterus the transabdominal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic postmenopausal appearance. The stripe is thin measuring about 2mm homogeneously echogenic but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The echogenic stripe is made up from a single histological layer the stratum basalis (deep yellow) The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon).
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved c uterus USscan Courtesy Ashley Davidoff MD Copyright 2009 all rights reserved 83573c01.81L




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Post Menopausal uterus
Junctional Zone Prominent



In this 60 year old female with normal atrophied post menopausal uterus the transabdominal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic postmenopausal appearance. The stripe is thin measuring about 2mm homogeneously echogenic but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The echogenic stripe is made up from a single histological layer the stratum basalis (deep yellow) The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon).
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved c uterus USscan Courtesy Ashley Davidoff MD Copyright 2009 all rights reserved 83573c01.81L




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In this 60 year old female with normal atrophied post menopausal uterus the transabdominal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic postmenopausal appearance. The stripe is thin measuring about 2mm homogeneously echogenic but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The echogenic stripe is made up from a single histological layer the stratum basalis (deep yellow) The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon).
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved c uterus USscan Courtesy Ashley Davidoff MD Copyright 2009 all rights reserved 83573c01.81L

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In this 60 year old female with normal atrophied post menopausal uterus the transabdominal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic postmenopausal appearance. The stripe is thin measuring about 2mm homogeneously echogenic but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The echogenic stripe is made up from a single histological layer the stratum basalis (deep yellow) The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon).
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved c uterus USscan Courtesy Ashley Davidoff MD Copyright 2009 all rights reserved 83573c01.81L

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Post Menopausal uterus
Junctional Zone Prominent
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Post Menopausal uterus
Junctional Zone Prominent
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Junctional Zone – Early Pregnancy



In this 16 year old patient her LMP was about 4 weeks ago and she had a positive pregnancy test. The transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic early pregnancy appearance characterized by the gestational sac (gs) embedded in the stratum functionalis (deep orange). The stratum basalis is seen as a slightly more echogenic layer around the functional layer (deep yellow). The stripe is thick measuring about The next layer is a barely seen junctional layer (salmon pink) best seen on the anterior subendometrial layer just beyond the basalis The next layer is the thicker outer myometrium (maroon) that contains dilated vessels.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84485c02.8ls




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Junctional Zone – Early Pregnancy



In this 16 year old patient her LMP was about 4 weeks ago and she had a positive pregnancy test. The transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic early pregnancy appearance characterized by the gestational sac (gs) embedded in the stratum functionalis (deep orange). The stratum basalis is seen as a slightly more echogenic layer around the functional layer (deep yellow). The stripe is thick measuring about The next layer is a barely seen junctional layer (salmon pink) best seen on the anterior subendometrial layer just beyond the basalis The next layer is the thicker outer myometrium (maroon) that contains dilated vessels.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84485c02.8ls




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In this 16 year old patient her LMP was about 4 weeks ago and she had a positive pregnancy test. The transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic early pregnancy appearance characterized by the gestational sac (gs) embedded in the stratum functionalis (deep orange). The stratum basalis is seen as a slightly more echogenic layer around the functional layer (deep yellow). The stripe is thick measuring about The next layer is a barely seen junctional layer (salmon pink) best seen on the anterior subendometrial layer just beyond the basalis The next layer is the thicker outer myometrium (maroon) that contains dilated vessels.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84485c02.8ls

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In this 16 year old patient her LMP was about 4 weeks ago and she had a positive pregnancy test. The transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic early pregnancy appearance characterized by the gestational sac (gs) embedded in the stratum functionalis (deep orange). The stratum basalis is seen as a slightly more echogenic layer around the functional layer (deep yellow). The stripe is thick measuring about The next layer is a barely seen junctional layer (salmon pink) best seen on the anterior subendometrial layer just beyond the basalis The next layer is the thicker outer myometrium (maroon) that contains dilated vessels.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84485c02.8ls

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Junctional Zone – Early Pregnancy
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Junctional Zone – Early Pregnancy
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High Ppower Changes at Menstruation
Shedding the Functional Layer



The diagram reflects the premenstrual endometrium (left) and the post menstrual endometrium right, revealing the necrosis of the functional layer with sloughing and hemorrhage. The basal layer with the staright arteries and a small portion of the spiral artery remains intact. The hemorrhage is controlled by spasm of the arteries and contraction of the myometrium.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 32347f08cL.92s




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High Ppower Changes at Menstruation
Shedding the Functional Layer



The diagram reflects the premenstrual endometrium (left) and the post menstrual endometrium right, revealing the necrosis of the functional layer with sloughing and hemorrhage. The basal layer with the staright arteries and a small portion of the spiral artery remains intact. The hemorrhage is controlled by spasm of the arteries and contraction of the myometrium.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 32347f08cL.92s




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The diagram reflects the premenstrual endometrium (left) and the post menstrual endometrium right, revealing the necrosis of the functional layer with sloughing and hemorrhage. The basal layer with the staright arteries and a small portion of the spiral artery remains intact. The hemorrhage is controlled by spasm of the arteries and contraction of the myometrium.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 32347f08cL.92s

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The diagram reflects the premenstrual endometrium (left) and the post menstrual endometrium right, revealing the necrosis of the functional layer with sloughing and hemorrhage. The basal layer with the staright arteries and a small portion of the spiral artery remains intact. The hemorrhage is controlled by spasm of the arteries and contraction of the myometrium.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 32347f08cL.92s

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High Ppower Changes at Menstruation
Shedding the Functional Layer
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High Ppower Changes at Menstruation
Shedding the Functional Layer
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Premenstrual



The normal sagittal view of the uterus is a transvaginal ultrasound, about 4 weeks after menstruation, and just prior to the next menstrauation when the endometrium is overripe. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the hyperechoic, homogeneous, thick endometrium characteristic of the secretory phase. It is during this time that progesterone is the dominant hormonal influence and estrogen influence is minimal. The endometrium in this case measures 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 46318c01.8s




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Premenstrual



The normal sagittal view of the uterus is a transvaginal ultrasound, about 4 weeks after menstruation, and just prior to the next menstrauation when the endometrium is overripe. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the hyperechoic, homogeneous, thick endometrium characteristic of the secretory phase. It is during this time that progesterone is the dominant hormonal influence and estrogen influence is minimal. The endometrium in this case measures 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 46318c01.8s




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The normal sagittal view of the uterus is a transvaginal ultrasound, about 4 weeks after menstruation, and just prior to the next menstrauation when the endometrium is overripe. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the hyperechoic, homogeneous, thick endometrium characteristic of the secretory phase. It is during this time that progesterone is the dominant hormonal influence and estrogen influence is minimal. The endometrium in this case measures 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 46318c01.8s

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The normal sagittal view of the uterus is a transvaginal ultrasound, about 4 weeks after menstruation, and just prior to the next menstrauation when the endometrium is overripe. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the hyperechoic, homogeneous, thick endometrium characteristic of the secretory phase. It is during this time that progesterone is the dominant hormonal influence and estrogen influence is minimal. The endometrium in this case measures 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 46318c01.8s

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Endometrium in Mid Secretory Phase 
LMP about 3  Weeks Prior



In this 26 year premenstrual female a transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic premenstrual appearance. (a) The stripe is almost homogeneously echogenic and thick but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The homogeneous stripe is made up from two histological layers (barely distinguished by this ultrasound)? the inner stratum functionalis (deep orange) that will shed once the spiral arteries vasoconstrict, and the outer stratum basalis (deep yellow) that will not shed, and will be the basis for regenerating the endometrium in the next cycle. The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon). (b)
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84538c06.83s




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Endometrium in Mid Secretory Phase 
LMP about 3  Weeks Prior



In this 26 year premenstrual female a transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic premenstrual appearance. (a) The stripe is almost homogeneously echogenic and thick but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The homogeneous stripe is made up from two histological layers (barely distinguished by this ultrasound)? the inner stratum functionalis (deep orange) that will shed once the spiral arteries vasoconstrict, and the outer stratum basalis (deep yellow) that will not shed, and will be the basis for regenerating the endometrium in the next cycle. The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon). (b)
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84538c06.83s




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In this 26 year premenstrual female a transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic premenstrual appearance. (a) The stripe is almost homogeneously echogenic and thick but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The homogeneous stripe is made up from two histological layers (barely distinguished by this ultrasound)? the inner stratum functionalis (deep orange) that will shed once the spiral arteries vasoconstrict, and the outer stratum basalis (deep yellow) that will not shed, and will be the basis for regenerating the endometrium in the next cycle. The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon). (b)
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84538c06.83s

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In this 26 year premenstrual female a transvaginal ultrasound in the sagittal plane reveals a normal view of the uterus with characteristic premenstrual appearance. (a) The stripe is almost homogeneously echogenic and thick but also shows a hypoechoic halo of the junctional zone or inner myometrium. (salmon) The homogeneous stripe is made up from two histological layers (barely distinguished by this ultrasound)? the inner stratum functionalis (deep orange) that will shed once the spiral arteries vasoconstrict, and the outer stratum basalis (deep yellow) that will not shed, and will be the basis for regenerating the endometrium in the next cycle. The next layer as stated above is the compact myometrium – the junctional zone (aka inner myometrium) , and is followed by the thicker outer myometrium (maroon). (b)
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84538c06.83s

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Endometrium in Mid Secretory Phase 
LMP about 3  Weeks Prior
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Endometrium in Mid Secretory Phase 
LMP about 3  Weeks Prior
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Endometrium in LAte Proliferative Phase 
Triple Stripe – Trilaminar Appearance – Preovulation



The normal sagittal view of the uterus is a transvaginal ultrasound, 2 weeks after menstruation, and just prior to ovulation. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the trilaminar appearance of the endometrium and is characteristic of the appearance of the endometrium in the preovulatory phase. This pahse is also called the follicular phase, or proliferative phase. It is during this time that estrogen is the dominant hormonal influence. The appearance is also known as a “triple stripe”, and conversely, its presence is seen before progesterone is produced. If present with a 9mm+ diameter, it reflects an ideal potential lining for fertilization.. In this case it measured 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved  83835c02.8s




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Endometrium in LAte Proliferative Phase 
Triple Stripe – Trilaminar Appearance – Preovulation



The normal sagittal view of the uterus is a transvaginal ultrasound, 2 weeks after menstruation, and just prior to ovulation. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the trilaminar appearance of the endometrium and is characteristic of the appearance of the endometrium in the preovulatory phase. This pahse is also called the follicular phase, or proliferative phase. It is during this time that estrogen is the dominant hormonal influence. The appearance is also known as a “triple stripe”, and conversely, its presence is seen before progesterone is produced. If present with a 9mm+ diameter, it reflects an ideal potential lining for fertilization.. In this case it measured 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved  83835c02.8s




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The normal sagittal view of the uterus is a transvaginal ultrasound, 2 weeks after menstruation, and just prior to ovulation. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the trilaminar appearance of the endometrium and is characteristic of the appearance of the endometrium in the preovulatory phase. This pahse is also called the follicular phase, or proliferative phase. It is during this time that estrogen is the dominant hormonal influence. The appearance is also known as a “triple stripe”, and conversely, its presence is seen before progesterone is produced. If present with a 9mm+ diameter, it reflects an ideal potential lining for fertilization.. In this case it measured 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved  83835c02.8s

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The normal sagittal view of the uterus is a transvaginal ultrasound, 2 weeks after menstruation, and just prior to ovulation. It demonstrates that the uterus and more specifically the endometrium is more complex than just a simple columnar epithelium. This is an example of the trilaminar appearance of the endometrium and is characteristic of the appearance of the endometrium in the preovulatory phase. This pahse is also called the follicular phase, or proliferative phase. It is during this time that estrogen is the dominant hormonal influence. The appearance is also known as a “triple stripe”, and conversely, its presence is seen before progesterone is produced. If present with a 9mm+ diameter, it reflects an ideal potential lining for fertilization.. In this case it measured 1.2cms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved  83835c02.8s

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Endometrium in LAte Proliferative Phase 
Triple Stripe – Trilaminar Appearance – Preovulation
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Endometrium in LAte Proliferative Phase 
Triple Stripe – Trilaminar Appearance – Preovulation
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Endometrium In Early Proliferative Phase



The normal sagittal view of the uterus is a transvaginal ultrasound, in the first week after menstruation after menstruation, and just prior to the next menstruation after the endometrium has been shed. It demonstrates that the endometrium becomes a single echogenic line consisting of opposing walls (orange) and is surrounded by a subendometrial halo of the junctional zone (tan). This layer is more compacted, and relatively hypovascular. This image is typical of the early proliferative phase. It is during this time that estrogen starts to rise and progesterone has fallen. The endometrium in this case measures about 3mms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84698c02b.8s




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Endometrium In Early Proliferative Phase



The normal sagittal view of the uterus is a transvaginal ultrasound, in the first week after menstruation after menstruation, and just prior to the next menstruation after the endometrium has been shed. It demonstrates that the endometrium becomes a single echogenic line consisting of opposing walls (orange) and is surrounded by a subendometrial halo of the junctional zone (tan). This layer is more compacted, and relatively hypovascular. This image is typical of the early proliferative phase. It is during this time that estrogen starts to rise and progesterone has fallen. The endometrium in this case measures about 3mms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84698c02b.8s




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The normal sagittal view of the uterus is a transvaginal ultrasound, in the first week after menstruation after menstruation, and just prior to the next menstruation after the endometrium has been shed. It demonstrates that the endometrium becomes a single echogenic line consisting of opposing walls (orange) and is surrounded by a subendometrial halo of the junctional zone (tan). This layer is more compacted, and relatively hypovascular. This image is typical of the early proliferative phase. It is during this time that estrogen starts to rise and progesterone has fallen. The endometrium in this case measures about 3mms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84698c02b.8s

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The normal sagittal view of the uterus is a transvaginal ultrasound, in the first week after menstruation after menstruation, and just prior to the next menstruation after the endometrium has been shed. It demonstrates that the endometrium becomes a single echogenic line consisting of opposing walls (orange) and is surrounded by a subendometrial halo of the junctional zone (tan). This layer is more compacted, and relatively hypovascular. This image is typical of the early proliferative phase. It is during this time that estrogen starts to rise and progesterone has fallen. The endometrium in this case measures about 3mms.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 84698c02b.8s

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Axial Plane Coronal Projection



The axial STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. Because the uterus is anteverted it lies flat so that in this instance the coronal plane of the uterus is demonstrated. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content. Two high signal cuysts are seen in the right ovary
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96788.8s




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Axial Plane Coronal Projection



The axial STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. Because the uterus is anteverted it lies flat so that in this instance the coronal plane of the uterus is demonstrated. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content. Two high signal cuysts are seen in the right ovary
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96788.8s




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The axial STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. Because the uterus is anteverted it lies flat so that in this instance the coronal plane of the uterus is demonstrated. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content. Two high signal cuysts are seen in the right ovary
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96788.8s

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Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96788.8s

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Axial Plane Coronal Projection
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The Uterus in the Sagittal Plane



The sagittal STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96785.8s




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The Uterus in the Sagittal Plane



The sagittal STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96785.8s




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The sagittal STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96785.8s

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The sagittal STIR sequence from an MRI study shows the normal appearance of the uterus in a 34 year old female. The pear shaped form is exemplified together with the 3 parts of the uterus. The inner endometrium of intermediate signal, the junctional zone of low signal consisting of compacted smooth muscle with low water content, and the surrounding myometrium of smooth muscle with a higher water content.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 96785.8s

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The Uterus in the Sagittal Plane
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The Uterus in the Sagittal Plane
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TCV