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What is pityriasis alba?
Pityriasis alba is a low-grade type of eczema/dermatitis that primarily affects children.
The name refers to its appearance: pityriasis refers to its characteristic fine scale, and alba to its pale colour (hypopigmentation).
Who gets pityriasis alba?
Pityriasis alba is common worldwide with a prevalence in children of around 5%.
It mainly affects children and adolescents aged 3 to 16 years, but may also arise in older and younger people
It affects boys and girls equally.
It is more prominent, and may also be more prevalent, in dark skin compared to white skin. |
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发表于 2018-7-15 19:01
