Jejunal bleeding from a solitary large submucosal artery. Report of two cases.

Two young patients with massive intestinal bleeding resulting from a solitary submucosal arterial abnormality of the jejunum are reported. In one case, the bleeding lesion was localized only by emergency abdominal angiography, while a previous exploratory laparotomy proved negative. The vascular lesion encountered in both patients consisted of a wide caliber artery lying in the jejunal submucosa; there was no evidence of true aneurysm on serial sections. The clinicopathological picture closely resembles that of lesions previously described in the stomach under the name of "gastric submucosal aneurysms" in the English literature, or of "gastric Dieulafoy's erosion" in the French literature. It is suggested that the vascular lesions herein reported should be called "solitary large submucosal artery" or "Dieulafoy-like erosion" of the jejunum.