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Case Report

Anat Cell Biol 2014; 47(2): 138-140

Published online June 1, 2014

https://doi.org/10.5115/acb.2014.47.2.138

Copyright © Korean Association of ANATOMISTS.

Anomalous cutaneous branch of median nerve in arm: a report of anatomical variation with clinical implications

1Department of Anatomy, Lady Hardinge Medical College, New Delhi, Delhi, India.
2Department of Anatomy, All India Institute of Medical Sciences, New Delhi, Delhi, India.
3Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, Delhi, India.

Correspondence to: Seema Singh. Department of Anatomy, Lady Hardinge Medical College, New Delhi 110001, Delhi, India. Tel: +91-9868943478, Fax: +91-11-26588641, Email: seemahkg@gmail.com

Received: December 17, 2013; Revised: January 30, 2014; Accepted: February 7, 2014

Abstract

The objective of the study was to observe and document the variation on the subject of branches of the median nerve. This report will assist clinicians and surgeons by considering anatomical variation associated with the median nerve in interpreting atypical clinical presentations. The arm and forearm region of a 55 year embalmed male cadaver during educational gross anatomy dissection. We found that an anomalous cutaneous branch arising from the median nerve in the right arm which was passing deep to the tendon of the biceps brachii. Later it enters the cubital fossa and then it is accompanied by the superficial vein of the forearm. The other limb of the cadaver did not show any such variation. No other neural, arterial or muscular variation was observed in either of the limbs. A rare anatomical variation in which the anomalous cutaneous branch arising from the median nerve in the right arm which is later accompanied by a superficial vein in the forearm. Such knowledge is advantageous in nerve grafting and neurophysiological evaluation for diagnosing peripheral neuropathies.

Keywords: Median nerve, Forearm, Anomalous, Arm

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