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ABeta amyloidosis, Iowa type

Disease definition

Hereditary cerebral hemorrhage with amyloidosis (HCHWA), Iowa type is a form of HCHWA (see this term) characterized by age of onset between 50-66 years of age, memory impairment, myoclonic jerks, expressive dysphagia, short-stepped gait, personality changes and lobar intracerebral hemorrhages.

ORPHA:324708

  • Synonym(s):
    • ABetaD23N amyloidosis
    • HCHWA, Iowa type
    • Hereditary cerebral hemorrhage with amyloidosis, Iowa type
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Elderly
  • ICD-10: E85.4+  I68.0*
  • OMIM: 605714
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

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