Journal
GYNECOLOGIC ONCOLOGY
Volume 139, Issue 3, Pages 458-464Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygyno.2015.09.081
Keywords
Vulvar squamous cell carcinoma; Treatment of groin metastases; Inguinofemoral lymphadenectomy; Debulking surgery
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Objectives. Treatment of groin metastasis in vulvar squamous cell carcinoma (VSCC) patients consists of surgery, often combined with (chemo)radiotherapy, and is associated with significant morbidity. Our aim was to compare the risk of groin recurrence and morbidity in patients with lymph node positive VSCC after standard full inguinofemoral lymphadenectomy (IFL) versus less radical debulking of clinically involved lymph nodes or removal of sentinel nodes only followed by radiotherapy. Methods. A retrospective cohort study of 68 patients with primary VSCC and proven lymph node metastasis to the groin(s) was conducted. Patients were divided into three subgroups by type of initial groin surgery (84 groins): sentinel node (SN), IFL, and debulking of clinically involved nodes. Most patients (82%) received adjuvant radiotherapy. Overall survival was analyzed using time dependent cox regression. Analysis of morbidity and groin recurrence-free time was performed per groin with the generalized estimating equation model and Kaplan Meier method. Results. There was no significant difference in the risk of developing a groin recurrence (SN 25%, debulking 16%, IFL 13%, p = 0.495). Despite the fact that more patients received radiotherapy after debulking (90% vs 67%), the complication rate was significantly lower (p = 0.003) compared to IFL, especially regarding lymphocysts and lymphedema (p = 0.032 and p = 0.002 respectively). Conclusions. The risk of groin recurrence was similar in all treatment groups. Debulking of clinically involved lymph nodes was related to a significant lower risk of complications compared to IFL. These findings support that the preferred treatment of patients with clinically involved lymph nodes is debulking followed by radiotherapy. (C) 2015 Elsevier Inc. All rights reserved.
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