Duodenal Flexure Pseudotumor

Published on 18/07/2015 by admin

Filed under Radiology

Last modified 18/07/2015

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 At angle between bulb and descending duodenum

image Acute angulation as duodenum becomes retroperitoneal, accentuates fold
• May even simulate ulcerated mass, with barium trapped between mucosal folds
• Changeable appearance on upper GI fluoroscopy

image May disappear on upright or left decubitus positioning, or with compression
image Normal peristalsis
• Can simulate polypoid mass on CT as well

image CT has disadvantage of not allowing real-time evaluation of changes with peristalsis or different positions

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