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Original Contributions
December 1983

Hand Muscle Atrophy in Multiple Sclerosis

Author Affiliations

From the Department of Neurology, University of Massachusetts Medical Center, and Worcester Memorial Hospital, Worcester.

Arch Neurol. 1983;40(13):811-815. doi:10.1001/archneur.1983.04050120061009
Abstract

• The occurrence of muscular atrophy in multiple sclerosis (MS) has been considered unusual and classically has been ascribed to disease involving the motor unit. Nine patients with MS in a single clinic were found by strict criteria to have focal hand muscle atrophy associated with weakness. None had electrodiagnostic evidence of either anterior horn cell or axonal abnormalities. These observations indicate that focal muscular atrophy is common in MS; it may often occur as a result of relative disuse resulting from disease of central pathways involved in motor control.

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