Orphanet: Marie Unna hereditary hypotrichosis

Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.


Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Captcha image

Marie Unna hereditary hypotrichosis

Disease definition

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.


Classification level: Disorder
  • 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: -

Detailed information


The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.