How is alopecia areata classified?

Updated: Aug 06, 2020
  • Author: Chantal Bolduc, MD, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Alopecia areata can be classified according to its pattern. Hair loss most often is localized and patchy (see image below).

Patchy alopecia areata. Patchy alopecia areata.

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