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O'Sullivan-McLeod syndrome

Orpha number ORPHA99965
Synonym(s) -
Prevalence -
Inheritance -
Age of onset -
ICD-10
  • G12.8
OMIM -
UMLS
  • C2721741
MeSH -
MedDRA
  • 10069682
SNOMED CT -

Summary

O' Sullivan McLeod syndrome is a benign lower motor neuron disorder and a rare variant of monomelic amyotrophy (MA; see this term), characterized by an initial unilateral weakness in the intrinsic hand muscles that eventually spreads to the opposite limb (with an asymmetrical distribution) and that has a very slow progression of muscular atrophy over a 20 year period.

Expert reviewer(s)

  • Dr Satoshi KUWABARA

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