An Unusual Formation of the Superficial Palmar Arch and its Clinical Significance.
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Date
2017-01
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Abstract
Variations of the arteries of the upper limb are an often encountered
phenomenon and have been widely described in case reports and studies
over the years. The superficial palmar arch (SPA) is the main source of
blood supply to the palm and digits. The classical SPA is formed by an
anastomosis between the superficial branches of the radial and ulnar artery,
although a number of other variations have been described. Herein, we
present a peculiar formation of the SPA between the superficial branch of
the ulnar artery and a communicating branch from the princeps pollicis
artery. We also noted an unusual origin of the radialis indicis artery from the
SPA. According to the classifications of SPA variations, the observed SPA
was type II or a dominant ulnar subtype of the non-arch type. The
knowledge of arterial variations in the hand is important for the successful
conduction of surgical and diagnostic manipulations in the hand and is
therefore of interest to anatomists and clinicians.
Description
Keywords
Superficial palmar arch, arterial variations, upper limb, hand surgery, clinical significance
Citation
Kotov Georgi, Iliev Alexandar, Georgiev Georgi P, Boycho Landzhov. An Unusual Formation of the Superficial Palmar Arch and its Clinical Significance. Academia Anatomica International. 2017 Jan-June; 3(1): 2-4