Abstract
Background.The standard care of the patient with squamous cell cancer of the vulva is radical vulvectomy along with inguinal–femoral node dissection. We explored the feasibility of sentinel lymphadenectomy in patients with squamous cell cancer of the vulva.Methods.Patients with biopsy proven squamous cell cancer of the vulva were studied with preoperative lymphoscintigraphy, intraoperative lymphatic mapping with isosulfan blue combined with intraoperative lymphoscintigraphy utilizing a hand-held gamma counter.Results.Five patients with invasive squamous cell cancer were studied. Sentinel nodes were identified in six lymphatic basins. One lymphatic basins had two sentinel nodes. Six of seven sentinel nodes were blue and all retained radioactivity at a ratio of at least 3:1 above the background levels in the regional node basin. One patient was found to have metastatic tumor which was confined to a sentinel lymph node. There was minimal morbidity associated with the procedure.Conclusions.Lymphatic mapping is feasible in patients with squamous cell cancer of the vulva. These initial results suggests further study is warranted.
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