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Brain Metastases From Gynecologic Malignancies: Prevalence and Management
Dimitrios Nasioudis1, Anitra Persaud2, Neil K Taunk3
1Division of Gynecologic Oncology.
Objective:
The objective of this study was to investigate the prevalence, clinicopathologic characteristics, management, and outcomes of patients with brain metastasis (BM) from gynecologic malignancies in a large hospital-based database.
Materials And Methods:
The National Cancer Database (NCDB) was accessed and patients with ovarian, uterine, or cervical cancer and BM were identified. We identified those who received radiation therapy (RT) as whole-brain radiation therapy (WBRT) or stereotactic radiosurgery (SRS). Kaplan-Meier curves were generated to determine median overall survival (OS) and compared with the log-rank test.
Results:
A total of 853 patients with BM were identified. The rate of BMs upon diagnosis was 0.4% (211/57,160) for patients with cervical cancer, 0.2% (498/243,785) for patients with uterine, and 0.2% (144/92,301) for ovarian malignancies. Only 30.4% had isolated BM, while 52.2% had lung metastasis. Approximately half of the patients (50.1%) received chemotherapy, while brain RT was administered to 324 (38%) patients. Among patients who received brain RT, only 60 (18.5%) had SRS, while 264 (81.5%) had WBRT. Patients who underwent SRS had a better survival (n=47, median OS=9 mo) than those who received WBRT (n=201, median OS=4.73 mo, P=0.018), or those who did not receive any brain RT (n=370, median OS=4.01 mo, P=0.007).
Conclusions:
The incidence of BM among patients with gynecologic malignancies is rare and associated with poor survival. For select patients, SRS may be associated with prolonged survival.
