A member asked:

How to tell the difference between pityriasis alba or something similar?

A doctor has provided 1 answer

Scale: Pityriasis alba is usually scaly and hypopigmented. Vitiiligo is not scaly and hypopigmented. However, mycosis fungoides can be hypopigmented and scaly. sometimes a biopsy is necessary to distinguih.

Answered 7/14/2016

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