CT Diagnosis of Closed Loop Obstruction

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Abstract
A case of closed loop obstruction presenting with unremarkable plain abdominal films and diagnosed by CT is reported. The presence of (a) fluid filled distended small bowel loops; (b) abrupt transition with collapsed distal intestinal loops; and (c) grossly distended fluid filled "U" shaped loop are diagnostic of this entity. Prompt CT recognition, before signs of intestinal gangrene develop, will lead to immediate surgical decompression and a significant decrease in the morbidity and mortality of this potential abdominal catastrophe.