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