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Lichen planopilaris

Disease definition

Lichen planopilaris (LPP) is a rare cutaneous variant of lichen planus (see this term) which affects hair follicles. It may occur on its own or in association with more common forms of lichen planus, usually classical type and/or oral lichen planus.

ORPHA:525

  • Synonym(s):
    • Follicular lichen planus
    • LPP
    • Lichen follicularis
    • Lichen planus follicularis
  • Prevalence: Unknown
  • Inheritance: Not applicable 
  • Age of onset: Adult
  • ICD-10: L66.1
  • OMIM: -
  • UMLS: C0023645
  • MeSH: C535892
  • GARD: 3247
  • MedDRA: -

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