Pseudomyxoma peritonei: report of an unusual case.

Pseudomyxoma peritonei, a rare disease, is characterized by accumulation of mucinous material in the peritoneal cavity and is commonly caused by ovarian tumors or appendicular lesions. This report presents necropsy findings of an unusual case of pseudomyxoma peritonei caused by dissemination of mucinous adenocarcinoma of the stomach, hitherto unreported in literature.