Massive ovarian edema with contralateral mature cystic teratoma--a case report of an uncommon combination.

A case with massive ovarian edema (MOE) of left ovary--a rare pseudotumour and mature cystic teratoma of right ovary is described in a young unmarried girl of 16 years. The etiopathological concepts, morphological changes and differential diagnosis are described. Knowledge about the entity and its existence are important for correct treatment. This is the first reported case from Nepal.