Haifeng Gu1, Guochen Liu1, Junyun Li2, Jieping Chen1, Xinke Zhang3, Zhimin Liu4, Hua Tu5. 1. Department of Gynecologic Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, 651 East Dongfeng Road, Guangzhou, China. 2. Department of Radiology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China. 3. Department of Pathology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China. 4. Department of Gynecologic Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, 651 East Dongfeng Road, Guangzhou, China. liuzhim@sysucc.org.cn. 5. Department of Gynecologic Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, 651 East Dongfeng Road, Guangzhou, China. zsdxth_627@163.com.
Abstract
BACKGROUND: The management for patients with vulvar cancer after sentinel lymph-node biopsy (SLNB) remains controversial. The aim of this study was to investigate the long-term outcomes of individualized management after SLNB for early stage vulvar cancer. METHODS: The medical records of patients with vulvar cancer treated by surgery involving SLNB between 2004 and 2019 were retrospectively reviewed. During this period, the inguinofemoral lymphadenectomy (IL) were performed with individualized strategy, while the postoperative intensity-modulated radiotherapy was planned with a consistent policy. RESULTS: We identified 138 patients with at least one sentinel node detected, of whom 64 underwent further IL while 74 had SLNB only. Nodal metastases (pN+) were confirmed in 22 patients with IL and 16 without. Radiotherapy was scheduled with the dose of 60-70 Gy for all pN+ patients and finally completed in 15 with IL and 15 without. The median follow-up time was 56 months (6-156 months). Recurrence was observed in 24 patients, of whom 10 were pN- at primary treatment. The 3-year overall survival (OS) was 97.2, 95.2, 68.3, and 71.8%; 3-year disease-free survival (DFS) was 94.5, 91.4, 60.2, and 59.2%, respectively, for patients with pN- and IL, pN- and SLNB, pN+ and IL, and pN+ and SLNB. Neither OS nor DFS showed significant difference between SLNB and IL in pN- (P = 0.564 for OS, P = 0.423 for DFS), or pN + patients (P = 0.920 for OS, P = 0.862 for DFS). CONCLUSIONS: With appropriate adjuvant radiotherapy, SLNB alone provided similar long-term survival compared with IL for both patients with and without sentinel node metastasis.
BACKGROUND: The management for patients with vulvar cancer after sentinel lymph-node biopsy (SLNB) remains controversial. The aim of this study was to investigate the long-term outcomes of individualized management after SLNB for early stage vulvar cancer. METHODS: The medical records of patients with vulvar cancer treated by surgery involving SLNB between 2004 and 2019 were retrospectively reviewed. During this period, the inguinofemoral lymphadenectomy (IL) were performed with individualized strategy, while the postoperative intensity-modulated radiotherapy was planned with a consistent policy. RESULTS: We identified 138 patients with at least one sentinel node detected, of whom 64 underwent further IL while 74 had SLNB only. Nodal metastases (pN+) were confirmed in 22 patients with IL and 16 without. Radiotherapy was scheduled with the dose of 60-70 Gy for all pN+ patients and finally completed in 15 with IL and 15 without. The median follow-up time was 56 months (6-156 months). Recurrence was observed in 24 patients, of whom 10 were pN- at primary treatment. The 3-year overall survival (OS) was 97.2, 95.2, 68.3, and 71.8%; 3-year disease-free survival (DFS) was 94.5, 91.4, 60.2, and 59.2%, respectively, for patients with pN- and IL, pN- and SLNB, pN+ and IL, and pN+ and SLNB. Neither OS nor DFS showed significant difference between SLNB and IL in pN- (P = 0.564 for OS, P = 0.423 for DFS), or pN + patients (P = 0.920 for OS, P = 0.862 for DFS). CONCLUSIONS: With appropriate adjuvant radiotherapy, SLNB alone provided similar long-term survival compared with IL for both patients with and without sentinel node metastasis.
Entities:
Keywords:
Lymphadenectomy; Metastasis; Sentinel lymph-node biopsy; Survival; Vulvar cancer
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