Fig. 1From: Arteriovenous malformation that caused prolapse of the colon and was treated surgically in an infant: a case reportImaging of the arteriovenous malformation. a Colonoscopic view showing the protruding lesion, which was suggestive of a submucosal vascular abnormality. b Contrast-enhanced computed tomography image showing dilation of the blood vessels in the lesion, but no hypertrophied feeding artery or draining veinBack to article page