Bilateral Variation of Lateral Root of Median Nerve traversing through Coracobrachialis Muscle

Abstract

ABSTRACT An unusual bilateral variation of lateral root of median nerve piercing through coracobrachialis muscle is presented. Two nerve filaments to coracobrachialis muscle took unusual origin from medial cord, which crossed the axillary artery from medial to lateral side before entering the muscle. Variation of lateral root of median nerve may be clinically significant, as hitherto unreported entrapment neuropathy of median nerve along with musculocutaneous may occur at the arm level while passing through coracobrachialis muscle or it may be injured during any surgical intervention around shoulder joint. Nerves to coracobrachialis are at risk during unusual abduction of arm or surgical manipulation of axillary artery. How to cite this article Aggarwal A, Gupta T, Aggarwal A, Sahni D. Bilateral Variation of Lateral Root of Median Nerve traversing through Coracobrachialis Muscle. J Postgrad Med Edu Res 2016;50(3):159-161.