A syndrome complex characterized by persistent anovulation, many small subcapsular ovarian cysts and clinical manifestations secondary to the secretion of excess androgenic hormone s, such as amenorrhea, hirsutism and obesity . The treatment is mostly hormonal, to block the excess androgen production. Laminated calcified concretions that are noted in a variety of neoplasm s, such as serous cystadeno carcinoma of the ovary. Pseudomyxoma peritonei Multiple peritoneal implants composed of mucus containing columnar cells causing massive accumulation of gelatinous material in the abdominal cavity. It can be associated with mucinous tumor s of the ovary or mucoceles of the appendix.
Treatment is surgical, and usually requires repeated operations.
Characteristic structures seen in endodermal sinus tumor s that resemble endodermal sinuses of rodent placenta and are composed of papillae that protrudes into a space lined by tumor cells. By the time the tumor is discovered it oftenly has already metastasized beyond the ovary and seeded the peritoneum. The prognosis is usually poor for these tumors because of the spread by the time they are discovered. A rare mesenchymal neoplasm of the ovary of low malignant potential, that resembles the embryonic testis and often secretes androgens. The tumor is yellow due to the presence of large steroid filled leydig cells.