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Abnormal musculoaponeurotic tunnel in the arm:
Author(s) -
Wadhwa S.,
Mehra S.,
Khan R.Q.,
Kapur V.
Publication year - 2004
Publication title -
clinical anatomy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 71
eISSN - 1098-2353
pISSN - 0897-3806
DOI - 10.1002/ca.10210
Subject(s) - medicine , brachialis , brachial artery , median nerve , anatomy , brachial plexus , connective tissue , neurovascular bundle , pathology , forearm , blood pressure
Abstract Median nerve and brachial artery in the arm are not usually overlapped by any structure. Connective tissue bands and muscular slips draping or enclosing this neurovascular bundle have been reported, however, which may produce clinical symptoms of nerve compression and vascular changes. We report an unusual musculoaponeurotic band that originates as the ligament of Struthers but terminates as the brachiofascialis muscle of Wood and in the process may have entrapped both the median nerve and brachial artery. The nerve to pronator teres originates from the median nerve within this tunnel. On histological examination the nerve was flattened and showed some perineurial thickening. In view of the flexor function of brachialis muscle, this anomalous musculoaponeurotic band may be considered a clinically important entity in the causation of idiopathic neurovasculopathy in the hand. Clin. Anat. 17:360–363, 2004. © 2004 Wiley‐Liss, Inc.