Fast Facts for Board Review

Common Hair Disorders

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3. A 5-year-old girl with a history of seasonal allergies and eczema presents with recurrent patchy hair loss on the scalp of 6 months’ duration. Her mother has noticed rapidly progressive hair loss affecting the whole scalp. On trichoscopy, you find yellow dots, broken hairs, and tapering hairs. The most likely diagnosis is:

a. alopecia areata
b. androgenetic alopecia
c. telogen effluvium
d. traction alopecia
e. trichotillomania

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