Trichoscopic Comparison Between Telogen Effluvium and Androgenic Alopecia

April 2023 in “ Dohuk medical journal ”

ALI ABDULGHANI RAMADAN, HINDAV MIRDAN KHALEEL

trichoscopy telogen effluvium androgenetic alopecia Dermlite DL4 hair shaft diameter variation miniaturized hair vellus hair yellow spots peripilar sign upgrowing hair hairs per follicle AGA TE dermoscope

TLDR Trichoscopy effectively differentiates Androgenetic Alopecia from Telogen Effluvium.

The study compared trichoscopic characteristics of Androgenetic Alopecia (AGA) and Telogen Effluvium (TE) in 80 patients (40 with AGA and 40 with TE) using a Dermlite DL4 dermoscope. In AGA, the fronto-temporal zones showed significant hair shaft diameter variation, with miniaturized hair being the most common pattern. Other features included vellus hair (70%), yellow spots (57.5%), and peripilar sign (35%). In TE, common features were upgrowing hair (65%), vellus hair (32.5%), and 3 or more hairs per follicle (82.5%). The study concluded that trichoscopy is effective in differentiating AGA from TE, highlighting the need for further research to better understand TE.

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