Acute Infection
Ashley Davidoff MD
The Common vein Copyright 2010
Introduction
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Brain Abscess from Sinusitis |
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The MRI is from a 40 year old female who presents with a headache and has sinusitis which was complicated by a brain abscess. Image (a) is a T1 weighted axial image taken at the level of the lateral ventricles and shosws a mass with an air bubble and a small air fliouid level in the right frontal lobe. Image (b) is a T2 weighted image showing complex fluid in the abscess cavity that is not as intensely bright as the CSF. There is surrounding edema in the brain substance and the black air bubble is again seen. Image c is FLAIR sequence in axial projection that has features similar to th T@ weighted image and image (d) is a coronal FLAIR sequence showing the abscess in the paramedian part of the frontal lobe. Courtesy Ashley Davidoff MD Copyright 2010 71604.c02 |
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Abscess Left Basal Ganglia |
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The basal ganglia in the region of the caudate nucleus and globus pallidus are shown in axial projection in this 60 year old female who presents with neurological deficit and a fever. In the first image the focal ill defined mass with mild mass effect is shown in axial projection on a T1 weighted image without contrast (a). The second image with gadolinium shows rim enhancement with mass effect and obstruction of the frontal horn as seen by asymmetric dilatation (b). The third T2 weighted image (c) shows the fluid nature of the cavity and the surrounding edema, mass effect, and accumulation of fluid in the dependant portion of the occipital horn. The fourth image is a FLAIR image and also shows th extent of the edema in the brain The patient had a fever and the constellation of findings were consistent with an abscess of the basal ganglia on the left. Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 89054c.8s |
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Abscess Left Basal Ganglia
The basal ganglia in the region of the caudate nucleus and globus pallidus are shown in axial projection in this 60 year old female who presents with neurological deficit and a fever. In the first image the focal ill defined mass with mild mass effect is shown in axial projection on a T1 weighted image without contrast (a). The second image with gadolinium shows rim enhancement with mass effect and obstruction of the frontal horn as seen by asymmetric dilatation (b). The third T2 weighted image (c) shows the fluid nature of the cavity and the surrounding edema, mass effect, and accumulation of fluid in the dependant portion of the occipital horn. The fourth image is a FLAIR image and also shows th extent of the edema in the brain The patient had a fever and the constellation of findings were consistent with an abscess of the basal ganglia on the left.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 89054c.8s
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Abscess Left Basal Ganglia
The basal ganglia in the region of the caudate nucleus and globus pallidus are shown in axial projection in this 60 year old female who presents with neurological deficit and a fever. In the first image the focal ill defined mass with mild mass effect is shown in axial projection on a T1 weighted image without contrast (a). The second image with gadolinium shows rim enhancement with mass effect and obstruction of the frontal horn as seen by asymmetric dilatation (b). The third T2 weighted image (c) shows the fluid nature of the cavity and the surrounding edema, mass effect, and accumulation of fluid in the dependant portion of the occipital horn. The fourth image is a FLAIR image and also shows th extent of the edema in the brain The patient had a fever and the constellation of findings were consistent with an abscess of the basal ganglia on the left.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 89054c.8s
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The basal ganglia in the region of the caudate nucleus and globus pallidus are shown in axial projection in this 60 year old female who presents with neurological deficit and a fever. In the first image the focal ill defined mass with mild mass effect is shown in axial projection on a T1 weighted image without contrast (a). The second image with gadolinium shows rim enhancement with mass effect and obstruction of the frontal horn as seen by asymmetric dilatation (b). The third T2 weighted image (c) shows the fluid nature of the cavity and the surrounding edema, mass effect, and accumulation of fluid in the dependant portion of the occipital horn. The fourth image is a FLAIR image and also shows th extent of the edema in the brain The patient had a fever and the constellation of findings were consistent with an abscess of the basal ganglia on the left.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 89054c.8s
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The basal ganglia in the region of the caudate nucleus and globus pallidus are shown in axial projection in this 60 year old female who presents with neurological deficit and a fever. In the first image the focal ill defined mass with mild mass effect is shown in axial projection on a T1 weighted image without contrast (a). The second image with gadolinium shows rim enhancement with mass effect and obstruction of the frontal horn as seen by asymmetric dilatation (b). The third T2 weighted image (c) shows the fluid nature of the cavity and the surrounding edema, mass effect, and accumulation of fluid in the dependant portion of the occipital horn. The fourth image is a FLAIR image and also shows th extent of the edema in the brain The patient had a fever and the constellation of findings were consistent with an abscess of the basal ganglia on the left.
Courtesy Ashley Davidoff MD Copyright 2010 All rights reserved 89054c.8s
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Abscess Left Basal Ganglia
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Brain Abscess from Sinusitis
The MRI is from a 40 year old female who presents with a headache and has sinusitis which was complicated by a brain abscess. Image (a) is a T1 weighted axial image taken at the level of the lateral ventricles and shosws a mass with an air bubble and a small air fliouid level in the right frontal lobe. Image (b) is a T2 weighted image showing complex fluid in the abscess cavity that is not as intensely bright as the CSF. There is surrounding edema in the brain substance and the black air bubble is again seen. Image c is FLAIR sequence in axial projection that has features similar to th T@ weighted image and image (d) is a coronal FLAIR sequence showing the abscess in the paramedian part of the frontal lobe.
Courtesy Ashley Davidoff MD Copyright 2010 71604.c02
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Brain Abscess from Sinusitis
The MRI is from a 40 year old female who presents with a headache and has sinusitis which was complicated by a brain abscess. Image (a) is a T1 weighted axial image taken at the level of the lateral ventricles and shosws a mass with an air bubble and a small air fliouid level in the right frontal lobe. Image (b) is a T2 weighted image showing complex fluid in the abscess cavity that is not as intensely bright as the CSF. There is surrounding edema in the brain substance and the black air bubble is again seen. Image c is FLAIR sequence in axial projection that has features similar to th T@ weighted image and image (d) is a coronal FLAIR sequence showing the abscess in the paramedian part of the frontal lobe.
Courtesy Ashley Davidoff MD Copyright 2010 71604.c02
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The MRI is from a 40 year old female who presents with a headache and has sinusitis which was complicated by a brain abscess. Image (a) is a T1 weighted axial image taken at the level of the lateral ventricles and shosws a mass with an air bubble and a small air fliouid level in the right frontal lobe. Image (b) is a T2 weighted image showing complex fluid in the abscess cavity that is not as intensely bright as the CSF. There is surrounding edema in the brain substance and the black air bubble is again seen. Image c is FLAIR sequence in axial projection that has features similar to th T@ weighted image and image (d) is a coronal FLAIR sequence showing the abscess in the paramedian part of the frontal lobe.
Courtesy Ashley Davidoff MD Copyright 2010 71604.c02
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The MRI is from a 40 year old female who presents with a headache and has sinusitis which was complicated by a brain abscess. Image (a) is a T1 weighted axial image taken at the level of the lateral ventricles and shosws a mass with an air bubble and a small air fliouid level in the right frontal lobe. Image (b) is a T2 weighted image showing complex fluid in the abscess cavity that is not as intensely bright as the CSF. There is surrounding edema in the brain substance and the black air bubble is again seen. Image c is FLAIR sequence in axial projection that has features similar to th T@ weighted image and image (d) is a coronal FLAIR sequence showing the abscess in the paramedian part of the frontal lobe.
Courtesy Ashley Davidoff MD Copyright 2010 71604.c02
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