Inferior mesenteric arteriovenous fistula: Case report and world-literature review

Figure 1 Preoperative computed tomography scan showing edematous sigmoid colon with irregular luminal narrowing within the colonic wall (arrow) and hypoperfusion of the sigmoid colon in the venous phase. SC: Sigmoid colon.

Figure 2 Angiography showing the point of arteriovenous communication (arrows).

Figure 3 Postoperative magnetic resonance angiography showing opacification of the arterial and venous inferior mesenteric system.

Figure 4 Angiography after the embolization of the an arteriovenous fistula sites.

Figure 5 Photo of atrophic and ischemic descending and sigmoid colon.