Anatomic Relationship between the Spinal Accessory Nerve and the Internal Jugular Vein in the Upper Neck during Neck Dissection: A Prospective Study

Abstract

Objectives: To find the intraoperative relationship between the spinal accessory nerve (SAN) and the internal jugular vein (IJV) in the upper neck, at the level of the superior border of the posterior belly of the digastric muscle.