Epithelial ovarian cancer is the most common type of ovarian cancer. Primary peritoneal cancer and fallopian tube cancer are similar to epithelial ovarian cancer and are treated in the same way. Germ ...

A type of germ cell tumor called a teratoma is also considered cystic. Ovarian cystic neoplasms can be benign, borderline, or malignant tumors. In general, an estimated 90% of ovarian tumors are ...

Individuals with ovarian teratoma develop abdominal pain because the tumor incurs excessive pressure on the ovary. In some cases, this type of teratoma occurs along with anti-N-methyl-D-aspartate ...

Twenty percent of ovarian tumors are teratomas, and up to 20% of teratomas contain thyroid tissue. Struma ovarii, defined as containing 50% or more thyroid tissue, is less common, accounting for ...