Case series demonstrates characteristic vellus hair carpets via trichoscopy in children with temporal triangular alopecia, highlighting its value in preventing misdiagnosis and unnecessary treatments.
Temporal triangular alopecia (TTA) is an uncommon form of hair loss that does not result in scaring, typically seen in young children. It can be challenging to distinguish from other forms of hair loss, such as alopecia areata, traction alopecia, trichotillomania, tinea capitis, alopecia mucinosa, or aplasia cutis congenita. Diagnostic obstacles may arise, along with the possibility of misdiagnosed and unnecessary treatments. Trichoscopy, a nonintrusive instrument, can aid in distinguishing between them. Here, we report the six cases of TTA in children of different ages. Trichoscopy revealed a characteristic carpet of vellus hair in all.
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Bhat et al. (2025) studied this question.
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