[Angiodysplasia as source of hemorrhage]

Gastrointestinal bleeding of unknown origin presents a difficult diagnostic problem. The authors show 2 angiodys plasiastic cases. In the first case the clinical history contains multiple examinations and transfusions because of anaemia. The diagnosis was achieved by selective angiography. In the antrum of the stomach justified angiodysplasia was accompanied by aortic valve disease. Billroth I. operation was performed. In the other case anoscopy, colonoscopy and gastroscopy was necessary because of massive rectal bleeding but in the lack of bleeding source they performed right hemicolectomy due to hypothetical cecum angiodysplasia. The supposed diagnosis was proven by histology.

in the case of unknown bleeding sources especially in older patients angiodysplasia should be considered more often and selective angiography should be indicated.