| Epithelial tumors |
| Serous tumors |
- Benign
- Serous cystadenoma
- Serous adenofibroma
- Serous surface papilloma
- Borderline
- Serous borderline tumor/atypical proliferative serous tumor
- Serous borderline tumor – micropapillary variant/noninvasive low-grade serous carcinoma
- Malignant
- Low-grade serous carcinoma
- High-grade serous carcinoma
|
| Mucinous tumors |
- Benign
- Mucinous cystadenoma
- Mucinous adenofibroma
- Borderline
- Mucinous borderline tumor/atypical proliferative mucinous tumor
- Malignant
|
| Endometrioid tumors |
- Benign
- Endometriotic cyst
- Endometrioid cystadenoma
- Endometrioid adenofibroma
- Borderline
- Endometrioid borderline tumor/atypical proliferative endometrioid tumor
- Malignant
|
| Clear cell tumors |
- Benign
- Clear cell cystadenoma
- Clear cell adenofibroma
- Borderline
- Clear cell borderline tumor/atypical proliferative clear cell tumor
- Malignant
|
| Brenner tumors |
- Benign
- Borderline
- Borderline Brenner tumor/atypical proliferative Brenner tumor
- Malignant
|
| Seromucinous tumors |
- Benign
- Seromucinous cystadenoma
- Seromucinous adenofibroma
- Borderline
- Seromucinous borderline tumor/atypical proliferative seromucinous tumor
- Malignant
|
| Undifferentiated carcinoma |
| Mesenchymal tumors |
- Low-grade endometrioid stromal sarcoma
- High-grade endometrioid stromal sarcoma
|
| Mixed epithelial and mesenchymal tumors |
- Adenosarcoma
- Carcinosarcoma
|
| Sex cord-stromal tumors |
| Pure stromal tumors |
- Fibroma
- Cellular fibroma
- Thecoma
- Luteinized thecoma associated with sclerosing peritonitis
- Fibrosarcoma
- Sclerosing stromal tumor
- Signet-ring stromal tumor
- Microcystic stromal tumor
- Leydig cell tumor
- Steroid cell tumor
- Steroid cell tumor, malignant
|
| Pure sex cord tumors |
- Adult granulosa cell tumor
- Juvenile granulosa cell tumor
- Sertoli cell tumor
- Sex cord tumor with annular tubules
|
| Mixed sex cord-stromal tumors |
- Sertoli-Leydig cell tumor
- Well-differentiated
- Moderately differentiated
- With heterologous elements
- Poorly differentiated
- With heterologous elements
- Retiform
- With heterologous elements
- Sex cord-stromal tumors, NOS
|
| Germ cell tumors |
- Dysgerminoma
- Yolk sac tumor
- Embryonal carcinoma
- Nongestational choriocarcinoma
- Mature teratoma
- Immature teratoma
- Mixed germ cell tumor
|
| Monodermal teratoma and somatic-type tumors arising from a dermoid cyst |
- Struma ovarii, benign
- Struma ovarii, malignant
- Carcinoid
- Strumal carcinoid
- Mucinous carcinoid
- Neuroectodermal-type tumors
- Sebaceous tumors
- Sebaceous adenoma
- Sebaceous carcinoma
- Other rare monodermal teratomas
- Carcinomas
- Squamous cell carcinoma
- Others
|
| Germ cell-sex cord-stromal tumors |
- Gonadoblastoma, including gonadoblastoma with malignant germ cell tumor
- Mixed germ cell-sex cord-stromal tumor, unclassified
|
| Miscellaneous tumors |
- Tumors of rete ovarii
- Adenoma of rete ovarii
- Adenocarcinoma of rete ovarii
- Wolffian tumor
- Small cell carcinoma, hypercalcaemic type
- Small cell carcinoma, pulmonary type
- Wilms tumor
- Paraganglioma
- Solid pseudopapillary neoplasm
|
| Mesothelial tumors |
- Adenomatoid tumor
- Mesothelioma
|
| Soft tissue tumors |
| |
| Tumor-like lesions |
- Follicle cyst
- Corpus luteum cyst
- Large solitary luteinized follicle cyst
- Hyperreactio luteinalis
- Pregnancy luteoma
- Stromal hyperplasia
- Stromal hyperthecosis
- Fibromatosis
- Massive oedema
- Leydig cell hyperplasia
- Others
|
| Lymphoid and myeloid tumors |
- Lymphomas
- Plasmacytoma
- Myeloid neoplasms
|
| Secondary tumors |
