Alopecia areata

The hair loss is a round patch. Note the absence of scales or inflammation.

Reproduced with permission from: Goodheart HP. Goodheart's Photoguide of Common Skin Disorders, 2^nd ed, Lippincott Williams & Wilkins, Philadelphia 2003. Copyright © 2003 Lippincott Williams & Wilkins.

Graphic 71583 Version 5.0