About The Medical Condition Juvenile Spinal Muscular Atrophy
Find the definition of the medical term Juvenile Spinal Muscular Atrophy. Juvenile Spinal Muscular Atrophy defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Juvenile Spinal Muscular Atrophy
| Juvenile Spinal Muscular Atrophy Medical Condition |
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What's The Definition Of The Medical Condition Juvenile Spinal Muscular Atrophy?
A group of recessively inherited diseases that feature progressive muscular atrophy and hypotonia. They are classified as type I (Werdnig-Hoffman disease), type II (intermediate form), and type III (Kugelberg-Welander disease). Type I is fatal in infancy, type II has a late infantile onset and is associated with survival into the second or third decade. Type III has its onset in childhood, and is slowly progressive. (J Med Genet 1996 Apr:33(4):281-3)
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