Abstract
Variation of median nerve and lateral antebrachial cutaneous nerve: One case report
Highlights
During our routine dissection, we observed two variations in an old male cadaver
The first anatomic variation is spotted at the left median nerve, where the lateral root and the medial root that form the left median nerve descend in a longer distance than usual and converge into the median nerve trunk
The second variation appears at the distribution of the lateral antebrachial cutaneous nerve, where the lateral antebrachial cutaneous nerve and the superficial branch of the radial nerve collectively dominate the area of the thumb-index web
Summary
We observed two variations in an old male cadaver. Firstly, the lateral root and the medial root that form the left median nerve descend in a longer distance than usual and converge into the median nerve trunk, and there is a communicating branch between the two roots. The first anatomic variation is spotted at the left median nerve, where the lateral root and the medial root that form the left median nerve descend in a longer distance than usual and converge into the median nerve trunk. The second variation appears at the distribution of the lateral antebrachial cutaneous nerve, where the lateral antebrachial cutaneous nerve and the superficial branch of the radial nerve collectively dominate the area of the thumb-index web.
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