Orphanet: Atrophie musculaire progressive
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Progressive muscular atrophy

Disease definition

A rare motor neuron disease characterized by isolated lower motor neuron features, including progressive flaccid weakness, muscle atrophy, fasciculations, and reduced or absent tendon reflexes. Onset is in late adulthood, with men being affected more often than women. Upper motor neuron signs may develop later in some cases. Occurrence of respiratory insufficiency determines the prognosis. Neuropathological analysis shows intraneuronal Bunina bodies and ubiquitin-positive inclusions.

ORPHA:454706

Classification level: Disorder
  • Synonym(s):
    • PMA
  • Prevalence: -
  • Inheritance: Not applicable 
  • Age of onset: Adult
  • ICD-10: G12.2
  • OMIM: -
  • UMLS: C0917981
  • MeSH: -
  • GARD: -
  • MedDRA: -

  A summary on this disease is available in Español (2020) Français (2020) Nederlands (2020)

Additional information

Further information on this disease

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