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Peritonitis
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Category Gastrointestinal Imaging
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…
Neuroendocrine Tumors
KEY FACTS Terminology Terms such as carcinoid and islet cell tumor are decreasing in use, in favor of well-differentiated (low-grade) or poorly differentiated (high-grade) NETs GI tract: Most common primary site (74%), followed by bronchopulmonary (24%) Small bowel most common…
Gastrointestinal Stromal Tumors (GIST)
KEY FACTS Terminology Submucosal tumor of gastrointestinal (GI) tract derived from interstitial cells of Cajal Gastrointestinal stromal tumor (GIST) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are…
Leukemia and Lymphoma
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Barotrauma
KEY FACTS Terminology Alveolar rupture caused by elevated transalveolar pressure during mechanical ventilation Imaging CT is the definitive test for presence & source of extraluminal gas Pleural spaces, mediastinum, subcutaneous, intra- and retroperitoneal, bowel wall Radiographic findings Pneumothorax – Radiolucent…
Foreign Bodies
KEY FACTS Imaging Ingested foreign bodies Commonly affect children, developmentally challenged or psychiatric patients, and inebriated adults Most ingested foreign bodies traverse GI tract without problem: < 1% cause obstruction or perforation – Elongated or sharp objects may impact at point…
Abdominal Trauma
KEY FACTS Imaging CT of chest, abdomen, and pelvis can be performed in < 1 minute of scan time Multiplanar, multiphasic CECT shows extent of bowel and solid visceral injuries and bleeding Evaluation of brain and spine injuries can be…
Cystic Fibrosis
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Scleroderma and Related Disorders
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