Anatomy & SciencesQuestion 40 of 484

Sudden, well-defined round patches of complete hair loss without scarring most likely indicate:

a.Telogen effluvium
b.Alopecia areata
c.Tinea capitis
d.Androgenetic alopecia

Explanation

Alopecia areata is an autoimmune condition causing sudden round patches of hair loss with smooth, non-scarred scalp. It warrants medical referral.

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