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Progressive arm weakness and tonic hand spasm from multifocal motor neuropathy in the brachial plexus
Author(s) -
Veltkamp R.,
Krause M.,
Schranz C.,
Meinck H.M.
Publication year - 2003
Publication title -
muscle and nerve
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.025
H-Index - 145
eISSN - 1097-4598
pISSN - 0148-639X
DOI - 10.1002/mus.10409
Subject(s) - medicine , weakness , multifocal motor neuropathy , brachial plexus , tonic (physiology) , electrodiagnosis , physical medicine and rehabilitation , surgery , cardiology , mismatch negativity , electroencephalography , psychiatry
A 50‐year‐old waitress presented with a 10‐year history of progressive weakness in her right arm without atrophy and with tonic hand spasms suggesting a central motor disorder. Electromyography, however, disclosed chronic neurogenic changes including fasciculations and atypical cramps. Isolated motor conduction block in the right brachial plexus suggested a variant of multifocal motor neuropathy. Strength recovered and cramps disappeared after intravenous immunoglobulins. Motor neuropathies may thus manifest with features of central motor disorders. Muscle Nerve 28: 242–245, 2003