[A rare etiology of rectal bleeding: Meckel's leiomyoblastoma. Value of celiomesenteric arteriography].

A rare case of leiomyoblastoma developing in Meckel's diverticulum and revealed by massive rectorrhagia is reported. The characteristic clinicopathologic features of these tumors in their small intestine localization are described and the value of celiomesenteric arteriography emphasized for their topographic and even nosologic diagnosis.