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Marie Unna hereditary hypotrichosis

Disease definition

Marie Unna hereditary hypotrichosis (MUHH) is a rare autosomal dominant hair loss disorder characterized by the absence or scarcity of scalp hair, eyebrows, and eyelashes at birth; coarse and wiry hair during childhood; and progressive hair loss beginning around puberty.

ORPHA:444

  • Synonym(s):
    • Hypotrichosis, Marie Unna type
    • MUHH
    • Marie Unna congenital hypotrichosis
  • Prevalence: Unknown
  • Inheritance: Autosomal dominant 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q84.0
  • OMIM: 146550  612841
  • UMLS: C2931059
  • MeSH: C535912
  • GARD: 3390
  • MedDRA: -

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