Idiopathic guttate hypomelanosis

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Idiopathic guttate hypomelanosis
Other names: Leukopathia symmetrica progressiva
Porcelain-white patch extending peripherally (DermNet NZ guttate-hypomelanosis-2).jpg
Idiopathic guttate hypomelanosis
SymptomsMultiple small white spots on arms, legs and face[1]
Usual onsetAge over 40 years[1]
CausesAgeing, photoaging, UV phototherapy, repeated micro-trauma[2]
Risk factorsHarmless[2]

Idiopathic guttate hypomelanosis is a skin condition characterised by multiple irregular well defined small white spots typically on the arms, legs and face of older people.[1]

It is harmless.[2] Ageing, photoaging, UV phototherapy and repeated micro-trauma may play a role in its development.[2]

It occurs in up to 80% of over 70-year olds.[2]

Signs and symptoms

See also


  1. 1.0 1.1 1.2 1.3 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "36. Disturbances of pigmentation". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. pp. 870–871. ISBN 978-0-323-54753-6. Archived from the original on 2022-04-23. Retrieved 2022-04-22.
  2. 2.0 2.1 2.2 2.3 2.4 Brown, Falon; Crane, Jonathan S. (2022). "Idiopathic Guttate Hypomelanosis". StatPearls. StatPearls Publishing. PMID 29489254. Archived from the original on 2022-04-23. Retrieved 2022-04-22.

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External resources

External links