Hypopigmentation
As hypopigmentation or depigmentation refers to a symptom that by a reduced number of melanocytes or decreased formation of the pigment melanin is characterized. Hypopigmentation can be congenital or acquired. They mainly affect the skin , hair and iris . In dermatology they belong to the secondary fluorescences . They can be evenly (diffusely) distributed or in circumscribed places (circumscribed).
causes
Congenital hypopigmentation
- Albinism
- Angelman Syndrome
- Naevus achromicus
- Piebaldism
- Poliosis
- Prader-Willi Syndrome
- Waardenburg syndrome
- Fanconi anemia type FANCI or other
Acquired hypopigmentation
- Canities
- Sheehan's Syndrome
- Progeria aldultorum
- Simmond cachexia
- Leucoderma syphilicum
- Sutton nevus
- Vitiligo
- Atopic eczema
- Pityriasis simplex
- Pityriasis versicolor alba
- Kwashiorkor
- leprosy
- Pinta
- scar
- psoriasis
literature
- Peter Altmeyer: Therapielexikon dermatology and allergology . Springer, 2nd edition 2005, ISBN 9783540237815 , p. 402.
