<unk> s are an uncommon subtype of the surface epithelial-stromal<unk>  group of ovarian neoplasms. The majority are benign, but some can be malignant. They are most frequently found incidentally on pelvic examination or at laparotomy.<unk> s very rarely can occur in other locations, including the testes.
Brenner tumour
Krukenberg tumor
Ganglion cyst
Spiradenoma
Nesidioblastoma
Mantleoma
Cementoblastoma
Hemangioblastoma