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Brachial Plexus Lesions-Reply

Brachial Plexus Lesions-Reply Abstract In Reply. —We are grateful for Dr Katirji's comments, but do not agree with his conclusion that the lateral cutaneous nerve of the forearm (LCN) has as its primary source fibers from the C-5 root. Our review of the anatomic literature as well as our clinical experience differ from his. Keegan and Garrett1 combined the experience of previous investigators with their own observations and concluded that C-5 primarily supplies the skin of the lateral aspect of the upper arm, while only occasionally extending into the forearm. On the other hand, C-6 supplies the same area as the LCN distribution, as well as the lateral portion of the hand. Kimura2 states that sensory nerve action potential studies of the LCN are a good test for C-6. This latter coincides with our experience.It is important to point out that most peripheral nerves, including the LCN, have input from multiple roots. Thus References 1. Keegan JJ, Garrett FD: The segmental distribution of the cutaneous nerves in the limbs of man . Anat Rec 1948;102:409-438.Crossref 2. Kimura J: Electrodiagnosis in Disease of Nerve and Muscle: Principles and Practice . Philadelphia, FA Davis Co Publishers, 1983, p 125. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology American Medical Association

Brachial Plexus Lesions-Reply

Abstract

Abstract In Reply. —We are grateful for Dr Katirji's comments, but do not agree with his conclusion that the lateral cutaneous nerve of the forearm (LCN) has as its primary source fibers from the C-5 root. Our review of the anatomic literature as well as our clinical experience differ from his. Keegan and Garrett1 combined the experience of previous investigators with their own observations and concluded that C-5 primarily supplies the skin of the lateral aspect of the upper arm,...
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Publisher
American Medical Association
Copyright
Copyright © 1986 American Medical Association. All Rights Reserved.
ISSN
0003-9942
eISSN
1538-3687
DOI
10.1001/archneur.1986.00520120008004
Publisher site
See Article on Publisher Site

Abstract

Abstract In Reply. —We are grateful for Dr Katirji's comments, but do not agree with his conclusion that the lateral cutaneous nerve of the forearm (LCN) has as its primary source fibers from the C-5 root. Our review of the anatomic literature as well as our clinical experience differ from his. Keegan and Garrett1 combined the experience of previous investigators with their own observations and concluded that C-5 primarily supplies the skin of the lateral aspect of the upper arm, while only occasionally extending into the forearm. On the other hand, C-6 supplies the same area as the LCN distribution, as well as the lateral portion of the hand. Kimura2 states that sensory nerve action potential studies of the LCN are a good test for C-6. This latter coincides with our experience.It is important to point out that most peripheral nerves, including the LCN, have input from multiple roots. Thus References 1. Keegan JJ, Garrett FD: The segmental distribution of the cutaneous nerves in the limbs of man . Anat Rec 1948;102:409-438.Crossref 2. Kimura J: Electrodiagnosis in Disease of Nerve and Muscle: Principles and Practice . Philadelphia, FA Davis Co Publishers, 1983, p 125.

Journal

Archives of NeurologyAmerican Medical Association

Published: Dec 1, 1986

References