Mucinous cystadenocarcinoma arising in mature cystic teratoma ovary and associated pseudomyxoma peritonei: report of a case.

Pseudomyxoma peritonei (PMP) is most commonly associated with intra-abdominal spread of an appendiceal mucinous neoplasm and very rarely seen in cases of primary ovarian tumours. Mucinous adenocarcinoma arising in a mature cystic teratoma giving rise to PMP is even rarer. Extensive medlar search has revealed only nine cases; we are reporting tenth such case.