A rare coexistence of axillo-brachial neurovascular variations with embryological review

Hironmoy ROY, Parthapratim PRA

Abstract

Nerves and vessels as reach their target area sometimes violate their usual course, demonstrated as variant distribution. During routine dissection multiple such variations were found in a 60-year-old male cadaver unilaterally showing (a) third part of axillary artery dividing in superficial and deep branches as continued in arm, (b) the median nerve forming in unusual place and (c) the musculocutaneous nerve providing extra communicating branch to median nerve. Such a combined coexistent variation being extremely rare in literature, studied with probable embryological explanation.