Sumalatha, Suhani and D’Souza, Antony Sylvan and Bhat, Kumar MR and Ankolekar, Vrinda Hari and Kotian, Sushma R (2016) Variation in the Branching Pattern of the Superficial Palmar Arch. Online Journal of Health and Allied Sciences, 15 (1). pp. 1-3. ISSN 0972-5997

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Abstract

In this article we describe a rare variation in the superficial palmar arch (SPA) encountered during routine cadaveric dissection. SPA was formed by the superficial branches of ulnar and radial arteries which provided a proper digital branch to the ulnar side of the little finger and three common palmar digital branches to the medial four digits. Additionally a first common digital artery was seen to emerge from the radial side of SPA which further divided into the arteria princeps pollicis and arteria radialis indicis. We also found a small communicating branch between the arteria princeps pollicis and the radial artery in the anatomical snuff box. Such arterial variations in the palm due to alteration in the developmental sequence remains a crucial issue in the reconstructive hand surgeries, especially while dealing with the innovative microsurgical procedures, where these varied patterns act as pivotal points around which successful results of various advanced surgical procedures revolve.

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