Small Bowel NSAID Stricture

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Small Bowel NSAID Stricture

 Multiple short-segment annular strictures ± partial SB obstruction  Strictures may resemble normal plicae circulares on enteroclysis • CT findings  Strictures: Short segmental narrowing of lumen with dilation of bowel upstream  Mucosal…

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Esophageal Inflammatory Polyp

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Esophageal Inflammatory Polyp

 Smooth, ovoid protuberance and “sentinel fold” on barium esophagram in patient with history of acid reflux disease – Uncommonly, may have irregular border or lobulation – Represents bulbous tip of prominent gastric…

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Pulsion Diverticulum

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Pulsion Diverticulum

 Barium-filled outpouchings from esophagus  Usually smooth, rounded contour and wide neck  Diverticula tend to remain filled after most of barium is emptied due to lack of muscle in wall –  …

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Umbilical Hernia

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Umbilical Hernia

 Can cause patient symptoms but does not necessitate urgent surgery • Findings of bowel ischemia include evidence of bowel obstruction, bowel wall thickening, fat stranding, etc. TOP DIFFERENTIAL DIAGNOSES • Omphalocele  Congenital…

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Agenesis of Dorsal Pancreas

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Agenesis of Dorsal Pancreas

 Complete agenesis: Complete absence of pancreatic neck, body, and tail, Santorini duct, and minor papilla – Ventral pancreas (head and uncinate) appears normal – MRCP: Visualization only of short ventral duct, with…

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Appendiceal Tumors

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Appendiceal Tumors

 Mucinous cystadenocarcinoma (90%)  Colonic-type adenocarcinoma (10%)  Lymphoma (< 1%)  Carcinoid (common, usually incidental at appendectomy) IMAGING • Round or oval, cystic or solid, mass near tip of cecum • Mucocele  RLQ soft…

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Duodenal Diverticulum

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Duodenal Diverticulum

 Location: Medial (70%) descending duodenum in periampullary region, 3rd or 4th portion (26%), lateral (4%) descending duodenum  Filling defects within diverticulum (food and gas)  CT: Fluid-filled diverticulum may simulate cystic…

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Peribiliary Cysts

Nov 16, 2016 by in GASTROINTESTINAL IMAGING Comments Off on Peribiliary Cysts

 “String of pearls” or “grapes on a stem” are common appearances • Usually multiple  Discrete, linear, or confluent configuration • Size is variable, up to 2.5 cm • Smooth and thin walls; no…

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