The sensory distribution in the dorsum of the hand: anatomical study with clinical implications

Sulaiman, Sara, Soames, Roger and Lamb, Clare (2015) The sensory distribution in the dorsum of the hand: anatomical study with clinical implications. Surgical and Radiologic Anatomy, 37 (7). pp. 779-785. ISSN 0930-1038

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Official URL: http://dx.doi.org/10.1007/s00276-014-1416-1

Abstract

The sensory distribution in the dorsum of the hand was investigated in 150 formalin-fixed hands with the aim of outlining the most common innervation pattern of the superficial branch of the radial nerve (SBRN), dorsal branch of the ulnar nerve (DBUN) and the lateral antebrachial cutaneous nerve (LABCN). Although variable, the most common pattern found was SBRN innervation to the dorsal surface of the lateral 2½ digits and DBUN innervation to the dorsal surface of the medial 2½ digits. Dual innervation due to communicating branches or nerves overlapping was found in 41 cases. All-radial supply to the dorsum of the hand was found in ten cases. The LABCN was closely associated, and occasionally overlapped, with the SBRN. There were significant differences in the sensory distribution of the dorsum of the right and left hands of the same cadaver. The sensory distribution in the dorsum of the hand is variable; however, understanding the most common innervation pattern and appreciating the possible variations to this pattern is important to avoid errors in interpretation of conduction velocity studies, misdiagnosis of nerve pathology signs and symptoms and inappropriate treatments.

Item Type: Article
Subjects: A300 Clinical Medicine
B100 Anatomy, Physiology and Pathology
Department: Faculties > Health and Life Sciences > Applied Sciences
Depositing User: Sara Sulaiman
Date Deposited: 01 Feb 2016 11:17
Last Modified: 24 Oct 2017 11:24
URI: http://nrl.northumbria.ac.uk/id/eprint/25758

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