Fig. 4From: Minimally invasive management for multifocal pelvic retroperitoneal malignant paraganglioma: a neuropelveological approachNeurolysis of the left sciatic nerve: A Complete exposure of the sciatic nerve; B Marked sciatic nerve before proceeding with trans gluteal approach (yellow star = obturator nerve; black star = pelvic side wall; red arrow = Alcock canal; white arrow = sciatic nerve; black arrow = marked sciatic nerve)Back to article page