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Table 1 Classification of ovarian tumors

From: Mucins in ovarian cancer diagnosis and therapy

Epithelial ovarian tumors (90%) Mostly diagnosed after the age of 50.

Germ cell neoplasm (3%) Mostly diagnosed under the age of 30

Gonado-stromal tumors (6%) No particular pattern with age

Serous

Teratomas

Granulosa cell tumors

Mucinous

Mature cyst teratomas

Thecomas

Endometroid

Immature teratomas

Fibrosarcomas

Clear cell

Dysgerminomas

Sertoli cell tumors

Transitional cell or Brenner tumors

Yolk sac tumors

Embryonal carcinomas

Leydig cell tumors

  1. Metastatic tumors: Ovaries may have tumors due to secondary metastatis of stomach, colon, pancreas, appendix, breast, and hematopoietic system.