Hypertrichoses L68.8

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 10.11.2022

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Hypertrichia; Hypertrichosis; Pilosis; Polytrichia

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Polyätiological, congenital or acquired, localised or generalised hair, occurring as an isolated phenomenon or as a partial manifestation in the context of syndromes, untypically strong hair in the respective body part, which does not correspond to the distribution pattern, ethnic provenance and age of the secondary male sexual hair. Hair-biologically there is a transition from vellus hair to terminal hair.

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A distinction is made between:

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Varies according to diagnosis. Important for the nosological classification are:
  • age of manifestation (congenital or acquired)
  • Hair type (lanugo, vellus, terminal hair)
  • Localization
  • Hair pattern (circumscribed or generalized)
  • Comorbidities
  • Drugs
  • associated anomalies
  • Estonian provenance (Nordic or southern Tyous)
  • Family reunion

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The therapy of hypertrichoses is generally unsatisfactory. The treatment of the underlying diseases is in the foreground. Cosmetically beneficial is the bleaching of the hair. Temporary effects can be achieved by shaving, chemical or mechanical epilation. New options arise through the use of laser systems. Details of the therapy see below Hirsutism.

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  1. Trueb RM (2008) Hypertrichosis. dermatologist 59: 325-338
  2. Wolf H (2018) Hair diseases. In: G. Plewig et al (Ed.) Braun-Falco`s Dermatology, Venerology and Allergology, Springer Reference Medicine S1361-1368


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Last updated on: 10.11.2022