Absent musculocutaneous nerve with trifurcating median nerve: A case report
Journal Title: International Journal of Medical and Health Research - Year 2019, Vol 5, Issue 2
Abstract
Knowledge of variations in the course of musculocutaneous nerve is very important for surgeons to prevent iatrogenic injuries during post traumatic evaluation of fracture and reduction of fracture of proximal and distal humerus and while administering nerve block in the supraclavicular, infraclavicular and axillary regions. This report describes a unique variation in a 50-year-old male cadaver where the musculocutaneous nerve was absent and compensated by the branches from the median nerve. The lateral cord of brachial plexus gave off a small twig to the coracobrachialis muscle. Median nerve, formed by the medial and lateral roots, descended down medial to coracobrachialis without piercing it. Moreover it trifurcated into three branches which further gave rise to muscular branches for the biceps brachii and brachialis muscles, and lateral cutaneous branch of the forearm.
Authors and Affiliations
Srinivasan S, Rajasekhar SSSN, Sulochana Sakthivel, Cheppula Chaitanya Kumar, Sankaranarayanan G
Keywords
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