PMC3959400_01
Contrast-enhanced CT scan showing marked thickening of the colonic wall (white arrows)
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PMC3959400_01_AnnGastroenterol-25-165-g001.jpg
F1
A contrast-enhanced computed tomography of his abdomen showed bowel wall thickening from the rectum to the descending colon (Fig. 1).
Inferior mesenteric arteriogram showing vascular malformation arising from the superior rectal artery (black arrow)
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PMC3959400_01_AnnGastroenterol-25-165-g002.jpg
F2
A mesenteric angiogram demonstrated an arteriovenous malformation (AVM) arising from the superior rectal artery, a branch of the inferior mesenteric artery (Fig. 2).