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Miscellaneous

A4V superoxide dismutase mutation in apparently sporadic ALS resembling neuralgic amyotrophy

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Pages 61-63 | Published online: 10 Jul 2009
 

Abstract

We report a case of apparently sporadic amyotrophic lateral sclerosis (ALS) in a young pregnant woman presenting subacutely with severe left shoulder pain followed by progressive weakness and wasting of the left arm, mimicking neuralgic amyotrophy. She was later found electrophysiologically to have widespread denervation involving more than just the arm and an alanine for valine substitution in codon 4 (A4V) in the gene for Cu/Zn superoxide dismutase 1 (SOD1). Her case illustrates that pain on initial presentation, though uncommon, does not exclude a diagnosis of ALS.

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