[Case report of lymphangioma--a review of benign non-epithelial tumors of the pancreas].

Benign nonepithelial growths from indigenous structures in the pancreas are extremely rare. A patient with a lymphangioma of the pancreas is reported and 18 cases with benign non-epitherlial tumors reported in the Japanese literature are discussed. Of 18 tumors, 7 were hemangiogenic, 5 were lymphagiogenic, 3 were neurogenic and one each was fibromatous, leiomyomatous and teratomatus. There was no particular association with sex and age. Frequent symptoms suggesting intraintestinal hemorrhage, i.e. tarry stool, melena, occult blood, anemia.