Detection and Intervention of Clinically Masquerading Inferior Mesenteric Artery AVMs

Figure 1

Initial presentation to the emergency department with diffuse abdominal pain and diarrhea. CT abdomen and pelvis with oral contrast only. Axial image (a) displays colonic mural thickening (star) and adjacent pericolonic fat stranding (arrow) most pronounced in the descending colon with ascites in the left paracolic gutter (circled). Coronal image (b) displays left hemicolon mural thickening (star) and adjacent pericolonic fat stranding (arrow) in the region of the IMA distribution. Suggestion of a prominent vascular structure is noted medial to the descending colon (arrowhead).

(a)

(b)