Trichoscopy: A Useful Tool in Diagnosing Temporal Triangular Alopecia

September 2024 in “ Indian Journal of Postgraduate Dermatology ”

Keshavmurthy A Adya, Arun C. Inamadar

trichoscopy temporal triangular alopecia alopecia areata non-cicatricial alopecia

Studysummary In this report, trichoscopy was highlighted as a valuable tool for diagnosing temporal triangular alopecia in children due to its ability to reveal distinctive patterns that differentiate it from similar conditions like alopecia areata, eliminating the need for invasive biopsy.

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Temporal triangular alopecia (TTA) is a localized non-cicatricial alopecia affecting the scalp, often seen in children. Trichoscopy, a non-invasive imaging technique, is effective in diagnosing TTA by revealing distinctive patterns that differentiate it from other similar conditions like alopecia areata. This differentiation is crucial due to the differing clinical behaviors and prognoses. The report highlights trichoscopic features observed in two children with TTA, emphasizing the utility of trichoscopy in confirming TTA diagnosis without the need for invasive procedures.

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Research cited in this study

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research Use of Dermoscopy in the Diagnosis of Temporal Triangular Alopecia

15 citations , February 2015 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia”

This article reviews the use of dermoscopy in distinguishing temporal triangular alopecia from alopecia areata, emphasizing its role in avoiding invasive diagnostics and ineffective treatments; it reports no new clinical findings.

research Utility of Dermoscopy in Alopecia Areata

76 citations , January 2011 in “Indian Journal of Dermatology/Indian journal of dermatology”

In this study, researchers identified yellow dots as the most common dermoscopic feature of alopecia areata, followed by black dots, broken hairs, short vellus hair, and tapering hairs.