Alopecia in children: the most common causes.
The differential diagnosis of alopecia in the pediatric age group is simplified by the fact that 90% to 95% of the cases are caused by four major entities: alopecia areata, telogen effluvium, tinea capitis, and trichotillomania. Careful examination of the scalp, hair, and historical pattern of the loss will usually be rewarded by the correct diagnosis.
Department of Dermatology, Johns Hopkins University, School of Medicine, Baltimore, MD.
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D000293:Adolescent; D000505:Alopecia / Q000209:etiology* / Q000628:therapy; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male