Massive Hematochezia: A Complication of Methamphetamine-Induced Vasculitis Treated by Transcatheter Hemostasis
Figure 1
Inferior mesenteric arteriogram: the superior rectal branch is occluded and the sigmoid and left colonic branches are diminished in size. Intramesenteric “corkscrew” collateral arteries (arrow heads), superior mesenteric and celiac axis arteriograms showing diffuse narrowing and focal stenotic lesions, occlusion of the gastroduodenal artery and splenic arteries (arrows).
