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Progressive supranuclear palsy-corticobasal syndrome

Disease definition

An atypical variant of progressive supranuclear palsy (PSP), a rare late-onset neurodegenerative disease, characterized by a variable mixture of progressive asymmetric limb rigidity, apraxia, cortical sensory loss, alien limb, dystonia and bradykinesia that is unresponsive to levodopa. Postural instability and axial rigidity develop as the disease progresses. Neuropathological characteristics includes tau pathology and neuronal loss in specific brain areas, especially in the midfrontal and inferior parietal cortices.


Classification level: Subtype of disorder
  • Synonym(s):
    • PSP-CBS
    • PSP-corticobasal syndrome
  • Prevalence: 1-9 / 1 000 000
  • Inheritance: Not applicable 
  • Age of onset: Adult
  • ICD-10: G23.1
  • ICD-11: 8A00.10
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information


Disease review articles

ERN : produced/endorsed by ERN(s)
FSMR : produced/endorsed by FSMR(s)
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