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Multiple arterial neural and muscular variations in both upper extremities of a single cadaver a case report

Authors:Swathi Poornima Chandaka ,Sobhana Surya Pradeep Madala
Int J Biol Med Res. 2012; 3(4): 2627-2630  |  PDF File


ABSTRACT Anatomic variations of arteries, nerves and muscles of upper limb have both clinical and surgical implications. Although individual reports have been documented about these variations, combinations of such variants bilaterally in a single cadaver are not previously described in literature. During routine dissection, in a 60 year old male cadaver it was observed that there was co-existence of communicating branch between medial and lateral cords of brachial plexus, common subscapular- posterior circumflex humeral trunk with multiple muscular branches from subscapular artery, an accessory muscle fascicle arising from brachialis muscle, entrapping the median nerve and brachial artery. Presence of persistent median artery contributing in formation of superficial palmar arch in the hand, a bifid median nerve , double tendons of abductor pollicis longus and absence of palmaris longus have been observed. Amalgamations of these variations are of great importance to surgeons, neurologists, radiologists for dealing with injuries and operations in the upper limbs.