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Ashley Davidoff MD The Common Vein Copyright 2010 Section Name Appendicitis is an inflammatory condition of the appendix caused primarily by an initial obstruction with secondary infection, distension, and subsequent infarction and rupture. The appendix is a long tube-like structure (diverticulum) which extends from the cecum. The obstruction may be caused by lymphoid hyperplasia (often related to a viral illness), foreign bodies and fecoliths, or related to Crohn?s disease. Acute appendicitis is the most common surgical emergency in the Western World. It typically affects teenagers and young adults, though may occur in younger children and infants. There is a smaller secondary peak in the elderly. Structural considerations The appendix is situated in the right lower quadrant but its origin off the cecum is quite variable so that it may be anterior, medial or posterior to the cecum. its length also varies, so for example a very long retrocecal appendix may reach to the right upper quadrant. Depending on the anatomic location of the appendix, it may be initially difficult to differentiate from other causes of acute pelvic pain Clinically, appendicitis classically presents with abdominal pain that starts at the umbilicus and and migrates to the right lower quadrant . It is usually associated with systemic symptoms and signs such as nausea, vomiting, fever. The pain almost always precedes the vomiting. On examination there is usually tenderness with guarding and rebound in the right lower quadrant at Mc Burney’s point, and rectal examination usually reveals right sided pelvic tenderness. Systemically mild dehydration, fever and an elevated wcc are associated signs. (Family Practice Notebook). The classical pain only occurs in about 50% of patients. When the patients presents with these classical features there is no reason to go any further with imaging to confirm the diagnosis. However appendicitis is notoriously a masquerader from being relatively asymptomatic to having severe visceral and somatic pain. When clinical findings are equivocal diagnostic imaging choices include ultrasound and CTscan are considered. In children, and young thin females, ultrasound is the study of choice. Ultrasound is extremely dependant on the opearator, and also is made difficult if bowel gas is present. In the older population, CT is preferred. The overall accuracy of US for appendicitis is reported at 70-95% and for CT accuracy is 93-98%. CT is indicated when perforation or peritonitis is clinically suspected. Treatment is surgical. Laparoscopic removal is frequently utilized. Sometimes, open laparotomy is required, such as when an associated abscess is suspected.
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CT of Acute Appendicitis
Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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CT of Acute Appendicitis
Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Appendicitis
The ultrasound is from a 32 year old female who presented with right lower quadrant pain. The ultrasound shows an enlarged (>6mm) appendix with a fecolith in its distal end and which revealed non compressibility and tenderness . The appendix is identified as a blind ending sausage shaped structure in the right lower quadrant.
Courtesy Ashley Davidoff MD 30066
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Appendicitis
The ultrasound is from a 32 year old female who presented with right lower quadrant pain. The ultrasound shows an enlarged (>6mm) appendix with a fecolith in its distal end and which revealed non compressibility and tenderness . The appendix is identified as a blind ending sausage shaped structure in the right lower quadrant.
Courtesy Ashley Davidoff MD 30066
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Courtesy Ashley Davidoff MD 30066
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Courtesy Ashley Davidoff MD 30066
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A lily White Appendix and a Necrotic Appendicitis
The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
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A lily White Appendix and a Necrotic Appendicitis
The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
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The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
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The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
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Ashley Davidoff MD
The Common Vein Copyright 2010
Section Name
Appendicitis is an inflammatory condition of the appendix caused primarily by an initial obstruction with secondary infection, distension, and subsequent infarction and rupture. The appendix is a long tube-like structure (diverticulum) which extends from the cecum. The obstruction may be caused by lymphoid hyperplasia (often related to a viral illness), foreign bodies and fecoliths, or related to Crohn?s disease. Acute appendicitis is the most common surgical emergency in the Western World. It typically affects teenagers and young adults, though may occur in younger children and infants. There is a smaller secondary peak in the elderly.
Structural considerations
The appendix is situated in the right lower quadrant but its origin off the cecum is quite variable so that it may be anterior, medial or posterior to the cecum. its length also varies, so for example a very long retrocecal appendix may reach to the right upper quadrant. Depending on the anatomic location of the appendix, it may be initially difficult to differentiate from other causes of acute pelvic pain
Clinically, appendicitis classically presents with abdominal pain that starts at the umbilicus and and migrates to the right lower quadrant . It is usually associated with systemic symptoms and signs such as nausea, vomiting, fever. The pain almost always precedes the vomiting. On examination there is usually tenderness with guarding and rebound in the right lower quadrant at Mc Burney’s point, and rectal examination usually reveals right sided pelvic tenderness. Systemically mild dehydration, fever and an elevated wcc are associated signs. (Family Practice Notebook). The classical pain only occurs in about 50% of patients. When the patients presents with these classical features there is no reason to go any further with imaging to confirm the diagnosis. However appendicitis is notoriously a masquerader from being relatively asymptomatic to having severe visceral and somatic pain.
When clinical findings are equivocal diagnostic imaging choices include ultrasound and CTscan are considered. In children, and young thin females, ultrasound is the study of choice. Ultrasound is extremely dependant on the opearator, and also is made difficult if bowel gas is present. In the older population, CT is preferred. The overall accuracy of US for appendicitis is reported at 70-95% and for CT accuracy is 93-98%. CT is indicated when perforation or peritonitis is clinically suspected.
Treatment is surgical. Laparoscopic removal is frequently utilized. Sometimes, open laparotomy is required, such as when an associated abscess is suspected.
A lily White Appendix and a Necrotic Appendicitis
The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
Appendicitis
The ultrasound is from a 32 year old female who presented with right lower quadrant pain. The ultrasound shows an enlarged (>6mm) appendix with a fecolith in its distal end and which revealed non compressibility and tenderness . The appendix is identified as a blind ending sausage shaped structure in the right lower quadrant.
Courtesy Ashley Davidoff MD 30066
CT of Acute Appendicitis
Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Ashley Davidoff MD
The Common Vein Copyright 2010
Section Name
Appendicitis is an inflammatory condition of the appendix caused primarily by an initial obstruction with secondary infection, distension, and subsequent infarction and rupture. The appendix is a long tube-like structure (diverticulum) which extends from the cecum. The obstruction may be caused by lymphoid hyperplasia (often related to a viral illness), foreign bodies and fecoliths, or related to Crohn?s disease. Acute appendicitis is the most common surgical emergency in the Western World. It typically affects teenagers and young adults, though may occur in younger children and infants. There is a smaller secondary peak in the elderly.
Structural considerations
The appendix is situated in the right lower quadrant but its origin off the cecum is quite variable so that it may be anterior, medial or posterior to the cecum. its length also varies, so for example a very long retrocecal appendix may reach to the right upper quadrant. Depending on the anatomic location of the appendix, it may be initially difficult to differentiate from other causes of acute pelvic pain
Clinically, appendicitis classically presents with abdominal pain that starts at the umbilicus and and migrates to the right lower quadrant . It is usually associated with systemic symptoms and signs such as nausea, vomiting, fever. The pain almost always precedes the vomiting. On examination there is usually tenderness with guarding and rebound in the right lower quadrant at Mc Burney’s point, and rectal examination usually reveals right sided pelvic tenderness. Systemically mild dehydration, fever and an elevated wcc are associated signs. (Family Practice Notebook). The classical pain only occurs in about 50% of patients. When the patients presents with these classical features there is no reason to go any further with imaging to confirm the diagnosis. However appendicitis is notoriously a masquerader from being relatively asymptomatic to having severe visceral and somatic pain.
When clinical findings are equivocal diagnostic imaging choices include ultrasound and CTscan are considered. In children, and young thin females, ultrasound is the study of choice. Ultrasound is extremely dependant on the opearator, and also is made difficult if bowel gas is present. In the older population, CT is preferred. The overall accuracy of US for appendicitis is reported at 70-95% and for CT accuracy is 93-98%. CT is indicated when perforation or peritonitis is clinically suspected.
Treatment is surgical. Laparoscopic removal is frequently utilized. Sometimes, open laparotomy is required, such as when an associated abscess is suspected.
A lily White Appendix and a Necrotic Appendicitis
The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
Appendicitis
The ultrasound is from a 32 year old female who presented with right lower quadrant pain. The ultrasound shows an enlarged (>6mm) appendix with a fecolith in its distal end and which revealed non compressibility and tenderness . The appendix is identified as a blind ending sausage shaped structure in the right lower quadrant.
Courtesy Ashley Davidoff MD 30066
CT of Acute Appendicitis
Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Courtesy Ashley Davidoff MD 30066
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Courtesy Ashley Davidoff MD 30066
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The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
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The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
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A lily White Appendix and a Necrotic Appendicitis
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Ashley Davidoff MD
The Common Vein Copyright 2010
Section Name
Appendicitis is an inflammatory condition of the appendix caused primarily by an initial obstruction with secondary infection, distension, and subsequent infarction and rupture. The appendix is a long tube-like structure (diverticulum) which extends from the cecum. The obstruction may be caused by lymphoid hyperplasia (often related to a viral illness), foreign bodies and fecoliths, or related to Crohn?s disease. Acute appendicitis is the most common surgical emergency in the Western World. It typically affects teenagers and young adults, though may occur in younger children and infants. There is a smaller secondary peak in the elderly.
Structural considerations
The appendix is situated in the right lower quadrant but its origin off the cecum is quite variable so that it may be anterior, medial or posterior to the cecum. its length also varies, so for example a very long retrocecal appendix may reach to the right upper quadrant. Depending on the anatomic location of the appendix, it may be initially difficult to differentiate from other causes of acute pelvic pain
Clinically, appendicitis classically presents with abdominal pain that starts at the umbilicus and and migrates to the right lower quadrant . It is usually associated with systemic symptoms and signs such as nausea, vomiting, fever. The pain almost always precedes the vomiting. On examination there is usually tenderness with guarding and rebound in the right lower quadrant at Mc Burney’s point, and rectal examination usually reveals right sided pelvic tenderness. Systemically mild dehydration, fever and an elevated wcc are associated signs. (Family Practice Notebook). The classical pain only occurs in about 50% of patients. When the patients presents with these classical features there is no reason to go any further with imaging to confirm the diagnosis. However appendicitis is notoriously a masquerader from being relatively asymptomatic to having severe visceral and somatic pain.
When clinical findings are equivocal diagnostic imaging choices include ultrasound and CTscan are considered. In children, and young thin females, ultrasound is the study of choice. Ultrasound is extremely dependant on the opearator, and also is made difficult if bowel gas is present. In the older population, CT is preferred. The overall accuracy of US for appendicitis is reported at 70-95% and for CT accuracy is 93-98%. CT is indicated when perforation or peritonitis is clinically suspected.
Treatment is surgical. Laparoscopic removal is frequently utilized. Sometimes, open laparotomy is required, such as when an associated abscess is suspected.
A lily White Appendix and a Necrotic Appendicitis
The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
Appendicitis
The ultrasound is from a 32 year old female who presented with right lower quadrant pain. The ultrasound shows an enlarged (>6mm) appendix with a fecolith in its distal end and which revealed non compressibility and tenderness . The appendix is identified as a blind ending sausage shaped structure in the right lower quadrant.
Courtesy Ashley Davidoff MD 30066
CT of Acute Appendicitis
Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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Ashley Davidoff MD
The Common Vein Copyright 2010
Section Name
Appendicitis is an inflammatory condition of the appendix caused primarily by an initial obstruction with secondary infection, distension, and subsequent infarction and rupture. The appendix is a long tube-like structure (diverticulum) which extends from the cecum. The obstruction may be caused by lymphoid hyperplasia (often related to a viral illness), foreign bodies and fecoliths, or related to Crohn?s disease. Acute appendicitis is the most common surgical emergency in the Western World. It typically affects teenagers and young adults, though may occur in younger children and infants. There is a smaller secondary peak in the elderly.
Structural considerations
The appendix is situated in the right lower quadrant but its origin off the cecum is quite variable so that it may be anterior, medial or posterior to the cecum. its length also varies, so for example a very long retrocecal appendix may reach to the right upper quadrant. Depending on the anatomic location of the appendix, it may be initially difficult to differentiate from other causes of acute pelvic pain
Clinically, appendicitis classically presents with abdominal pain that starts at the umbilicus and and migrates to the right lower quadrant . It is usually associated with systemic symptoms and signs such as nausea, vomiting, fever. The pain almost always precedes the vomiting. On examination there is usually tenderness with guarding and rebound in the right lower quadrant at Mc Burney’s point, and rectal examination usually reveals right sided pelvic tenderness. Systemically mild dehydration, fever and an elevated wcc are associated signs. (Family Practice Notebook). The classical pain only occurs in about 50% of patients. When the patients presents with these classical features there is no reason to go any further with imaging to confirm the diagnosis. However appendicitis is notoriously a masquerader from being relatively asymptomatic to having severe visceral and somatic pain.
When clinical findings are equivocal diagnostic imaging choices include ultrasound and CTscan are considered. In children, and young thin females, ultrasound is the study of choice. Ultrasound is extremely dependant on the opearator, and also is made difficult if bowel gas is present. In the older population, CT is preferred. The overall accuracy of US for appendicitis is reported at 70-95% and for CT accuracy is 93-98%. CT is indicated when perforation or peritonitis is clinically suspected.
Treatment is surgical. Laparoscopic removal is frequently utilized. Sometimes, open laparotomy is required, such as when an associated abscess is suspected.
A lily White Appendix and a Necrotic Appendicitis
The image on the right represents the gross appearance of a normal “lilywhite appendix, while the image on the right represents the grosspathology of a a black, necrotic, appendix distended with pus
Normal appendix 02559 Courtesy Ted Gulkin MD
Acute appendicitis necrotic grosspathology Courtesy Barbara Banner MD 02435
Appendicitis
The ultrasound is from a 32 year old female who presented with right lower quadrant pain. The ultrasound shows an enlarged (>6mm) appendix with a fecolith in its distal end and which revealed non compressibility and tenderness . The appendix is identified as a blind ending sausage shaped structure in the right lower quadrant.
Courtesy Ashley Davidoff MD 30066
CT of Acute Appendicitis
Young man presents with severe somatic pain well localized to the right lower quadrant. He did not have a fever but had a mildly elevated white cell count. The CT shows an appendix that has a diameter of 8mms., is distended with fluid (yellow in b and d) is surrounded by an hyperemic rim (pink around the yellow (b and d) significant induration of the pericolic fate, and thickened peritomeum (bright red). It i sthe latter involvement of the peritoneum that causes the pain appendix distended colon peritoneal thickening peritonitis
Courtesy Ashley Davidoff MD copyright 2008 44780c01.8s
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