Article
Primary lateral sclerosis.
Muscle & nerve - 1 Mar 2007
Singer Mike A, Statland Jeffrey M, Wolfe Gil I, Barohn Richard J
Abstract excerpt
The spectrum of motor neuron diseases ranges from disorders that clinically are limited to lower motor neurons to those that exclusively affect upper motor neurons. Primary lateral sclerosis (PLS) is the designation for the syndrome of progressive upper motor neuron dysfunction when no other etiology is identified. Distinction between PLS and the more common amyotrophic lateral sclerosis (ALS) relies primarily on...
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