In performing pelvic lymphadenectomy, most common site of obturator nerve injury is the axillary portion between the internal and external iliac vessels. This video will show vessel separation procedure for obturator space extension up to the level of common iliac vessels that provides full identification of obturator nerve in the pelvic cavity. The vessel separation procedure helps to avoid the obturator nerve injury and to find the proximal part of the nerve during anastomosis of injured nerve
