Authors: Sara Sulaiman Roger Soames Clare Lamb
Publish Date: 2015/01/09
Volume: 37, Issue: 7, Pages: 779-785
Abstract
The sensory distribution in the dorsum of the hand was investigated in 150 formalinfixed 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 Allradial 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
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