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Feasibility of a novel approach to inguinal lymphadenectomy: minimally invasive groin dissection for melanoma.

Abstract：

INTRODUCTION:Inguinal lymphadenectomy for metastatic melanoma is reported to have a complication rate as high as 50%. Wound dehiscence has been reported to occur in more than half of these patients, and as a result many surgeons routinely use sartorius muscle transposition to protect against the potential for exposed vessels. We report feasibility of minimally invasive inguinal lymphadenectomy intended to minimize wound complications inherent to this procedure. METHODS:Five patients with histologically confirmed inguinal metastases from melanoma underwent minimally invasive inguinal lymphadenectomy. Procedures were performed via three ports: one at the apex of the femoral triangle, a second two fingerbreadths medial to the adductors, and the third two fingerbreadths lateral to the sartorius. No inguinal incision was utilized for the purpose of surgery. A standard melanoma dissection was performed through these ports: contents of the femoral triangle and 5 cm up onto the external oblique aponeurosis were removed. To validate this technique, sentinel node biopsy scars were excised to permit visual confirmation of adequate anatomic dissection. RESULTS:Five patients underwent minimally invasive inguinal lymphadenectomy for metastatic melanoma. Median operative time was 180 (range, 142-223) min, median hospital stay was 1 day, and two patients developed cutaneous erythema but neither suffered wound dehiscence. Median nodal yield was 10 (range, 4-13). Blood loss was <100 ml for all procedures. Median duration of drain usage was 8 (range 7-19) days. CONCLUSIONS:Minimally invasive inguinal lymphadenectomy is feasible for patients with melanoma as demonstrated by nodal yield and visual inspection. This technique may reduce complication rates and wound dehiscence, and the risk of exposed vessels is minimized by eliminating the inguinal incision. This obviates the need for routine sartorius muscle transposition. A prospective, randomized trial comparing the open versus the videoscopic approach is currently in progress.

journal_name

Ann Surg Oncol

journal_title

Annals of surgical oncology

authors

Delman KA,Kooby DA,Ogan K,Hsiao W,Master V

doi

10.1245/s10434-009-0816-7

subject

Has Abstract

pub_date

2010-03-01 00:00:00

pages

731-7

issue

eissn

1068-9265

issn

1534-4681

journal_volume

pub_type

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Feasibility of a novel approach to inguinal lymphadenectomy: minimally invasive groin dissection for melanoma.