Chronic bleeding from a primary non-specific small intestinal ulceration localized by angiography.

An idiopathic non-specific small intestinal ulceration in a young man is described. The lesion, which caused chronic anemia, was localized by angiography. Immediately prior to operation an angiography catheter was placed with the tip in the mesenteric artery supplying the abnormality. The catheter was easily palpated peroperatively and the lesion found.