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Role of Locoregional Treatment in Vulvar Cancer With Pelvic Lymph Node Metastases: Time to Reconsider FIGO Staging?
- Source :
- Journal of the National Comprehensive Cancer Network : JNCCN. 17(8)
- Publication Year :
- 2018
-
Abstract
- Background: Vulvar cancer with pelvic nodal involvement is considered metastatic (M1) disease per AJCC staging. The role of definitive therapy and its resulting impact on survival have not been defined. Patients and Methods: Patients with pelvic lymph node–positive vulvar cancer diagnosed in 2009 through 2015 were evaluated from the National Cancer Database. Patients with known distant metastatic disease were excluded. Logistic regression was used to evaluate use of surgery and radiation therapy (RT). Overall survival (OS) was evaluated with log-rank test and Cox proportional hazards modeling (multivariate analysis [MVA]). A 2-month conditional landmark analysis was performed. Results: A total of 1,304 women met the inclusion criteria. Median follow-up was 38 months for survivors. Chemotherapy, RT, and surgery were used in 54%, 74%, and 62% of patients, respectively. Surgery was associated with prolonged OS (hazard ratio [HR], 0.58; PP=.019) in MVA. In patients undergoing surgery, RT was associated with better OS (3-year OS, 55% vs 48%; P=.033). Factors predicting use of RT were identified. MVA revealed that RT was associated with prolonged OS (HR, 0.75; P=.004). Conclusions: In this cohort of women with vulvar cancer and positive pelvic lymph nodes, use of RT was associated with prolonged survival in those who did not undergo surgery. Surgery followed by adjuvant RT was associated with prolonged survival compared with surgery alone.
- Subjects :
- medicine.medical_specialty
medicine.medical_treatment
Urology
Pelvis
03 medical and health sciences
0302 clinical medicine
medicine
Humans
030212 general & internal medicine
Lymph node
Neoplasm Staging
Chemotherapy
Vulvar Neoplasms
Proportional hazards model
business.industry
Hazard ratio
Cancer
Disease Management
Vulvar cancer
medicine.disease
Combined Modality Therapy
Radiation therapy
medicine.anatomical_structure
Treatment Outcome
Oncology
030220 oncology & carcinogenesis
Lymphatic Metastasis
Cohort
Practice Guidelines as Topic
Female
Lymph Nodes
business
Subjects
Details
- ISSN :
- 15401413
- Volume :
- 17
- Issue :
- 8
- Database :
- OpenAIRE
- Journal :
- Journal of the National Comprehensive Cancer Network : JNCCN
- Accession number :
- edsair.doi.dedup.....5e2f459cd530516ccc1338c6bb760212