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Desmoid

KEY FACTS Terminology Rare, benign, locally aggressive, nonencapsulated mesenchymal neoplasms of connective or fibrous tissue You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Traumatic Abdominal Wall Hernia

KEY FACTS Terminology Traumatic disruption of musculature and fascia of anterior abdominal wall due to blunt trauma Imaging Contrast-enhanced, multiplanar CT Common locations include iliac crest region in seat belt injuries and lower abdomen (lateral to rectus sheath or inguinal region) Pathology Most hernias develop due to combination of sudden increase in intraabdominal pressure, direct force of traumatic impact, acceleration-deceleration shear injury, and compressive force of…

Bochdalek Hernia

KEY FACTS Terminology Type of congenital diaphragmatic hernia resulting in protrusion of abdominal contents through defect in posterolateral portion of diaphragm You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Lumbar Hernia

KEY FACTS Terminology Lumbar hernia: Protrusion of abdominal contents through defect in lumbar region Can occur in either superior lumbar triangle of Grynfeltt-Lesshaft or inferior lumbar triangle of Petit – Superior lumbar triangle of Grynfeltt-Lesshaft defined by 12th rib superiorly, superior border of internal oblique inferiorly, and erector spinae medially – Inferior lumbar triangle of Petit defined by latissimus dorsi muscle medially, iliac crest inferiorly, and free…

Spigelian Hernia

KEY FACTS Terminology Hernia through defect in aponeurosis of internal oblique and transverse abdominal muscles You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Umbilical Hernia

KEY FACTS Terminology Protrusion of abdominal contents (omental fat ± bowel) into or through anterior abdominal wall via umbilical ring You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Abdominal Wall, Mesentery, and Peritoneal Cavity: Imaging Approach and Differential Diagnosis

Embryology and Relevant Anatomy The fetal gut is suspended between the anterior and posterior abdominal walls by the ventral and dorsal mesenteries, which separate to enclose the developing alimentary tube. Important viscera develop within the mesentery of the caudal part of the foregut, such as the liver, pancreas, spleen, and biliary tree. The various mesenteries either regress or elongate. The dorsal mesentery lengthens with the progressive elongation…