spinal muscular atrophy

(redirected from Infantile spinal muscular atrophy)
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spinal muscular atrophy

n.
Any of several forms of a hereditary, progressive disease that involves loss of motor neurons in the spinal cord and brainstem and is characterized by muscle weakness and atrophy that vary in severity and age of onset.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Ten subtypes of PCH have been recognised based on clinical and pathological manifestations, with PCH type 1 associated with anterior horn cell disease, resembling infantile spinal muscular atrophy [9-12].
Werdnig-Hoffman disease, or infantile spinal muscular atrophy, was the primary clinical diagnosis in this patient.