Gynecologic Oncology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
ovarian preservation
Surgical approach that maintains ovarian function in reproductive-age patients when oncologically safe.
endometrial hyperplasia
Abnormal thickening of the endometrial lining that may progress to malignancy if untreated.
endometrial stromal sarcoma
Rare malignant tumor arising from endometrial stromal cells, typically presenting with abnormal uterine bleeding.
endometrial thickness
Ultrasound measurement of the endometrial lining thickness, used to assess risk of endometrial pathology in postmenopaus...
endometrioid carcinoma
A type of endometrial cancer that resembles normal endometrial glands and is typically estrogen-related.
fertility-sparing surgery
Conservative surgical approaches that preserve reproductive organs and function while treating gynecologic cancers in yo...
FIGO staging
International standardized system for classifying the extent and spread of gynecologic cancers.
frozen section
Rapid intraoperative histopathological examination of tissue samples to guide immediate surgical decisions.
germline mutation
Inherited genetic alteration present in all cells that can predispose to cancer development.
gestational trophoblastic neoplasia
Group of pregnancy-related tumors arising from placental trophoblastic tissue, including molar pregnancies and choriocar...
GOG 0218
Landmark clinical trial that established the role of bevacizumab in combination with carboplatin and paclitaxel for adva...
GOG performance status
Standardized scale used by the Gynecologic Oncology Group to assess a patient's functional capacity and ability to toler...
GOG protocol
Clinical trial framework developed by the Gynecologic Oncology Group for standardizing cancer research and treatment.
granulosa cell tumor
Rare ovarian cancer arising from stromal cells, often producing estrogen and associated with endometrial hyperplasia.
HE4
Tumor marker protein (Human Epididymis Protein 4) elevated in ovarian cancer, used alongside CA-125 for diagnosis and mo...
hereditary cancer syndrome
Inherited genetic condition that significantly increases the lifetime risk of developing certain cancers.
HIPEC
Heated intraperitoneal chemotherapy administered during surgery for peritoneal malignancies.
HRD testing
Laboratory analysis to detect homologous recombination deficiency in tumors, used to guide PARP inhibitor therapy.
hyperthermic intraperitoneal chemotherapy
Heated chemotherapy delivered directly into the peritoneal cavity during surgery.
immunohistochemistry
Laboratory technique using antibodies to identify specific proteins in tissue samples for cancer diagnosis and classific...
interval debulking surgery
Cytoreductive surgery performed after initial chemotherapy cycles in ovarian cancer treatment.
intraoperative frozen section
Rapid pathologic examination of tissue samples during surgery to guide immediate surgical decision-making in gynecologic...
intraperitoneal chemotherapy
Direct delivery of chemotherapy into the peritoneal cavity to maximize local drug concentration.
krukenberg tumor
Metastatic ovarian tumor, typically from gastrointestinal primary malignancies, characterized by signet ring cells.
loop electrosurgical excision procedure
Outpatient surgical technique using electrified wire loop to remove abnormal cervical tissue for treatment and diagnosis...