61 y.o. man with bright red blood per recturm (hematochezia) and iron deficiency anemia.
Gross blood in stool
Solid column enema (gastrografin) shows fairly long segment smooth narrowing within the proximal to mid sigmoid.
Contrast enhanced CT shows circumferential wall thickening in the same location with associated infiltration of the subjacent mesenteric fat.
Colon cancer until proven otherwise.
Less likely lymphoma, metastatic disease, amebiasis, stricture.
You are Viewing this Case in Quiz Mode - the Diagnosis (and validation) are visible with the case [Answer]
cow_pt.html :: find me