Orphanet: Hypotrichosis simplex

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Hypotrichosis simplex

Disease definition

Hypotrichosis simplex (HS) or hereditary hypotrichosis simplex (HHS) is characterized by reduced pilosity over the scalp and body (with sparse, thin, and short hair) in the absence of other anomalies.


Classification level: Disorder
  • Synonym(s):
    • Hereditary hypotrichosis simplex
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant or Autosomal recessive 
  • Age of onset: Childhood
  • ICD-10: L65.8
  • OMIM: 278150  604379  605389  607903  614237  614238  615059  615885  618275
  • UMLS: C1854310
  • MeSH: C537160
  • GARD: 9170
  • MedDRA: -
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