Trichoscopic Comparison Between Telogen Effluvium and Androgenic Alopecia
April 2023
in “
Dohuk medical journal
”
Studysummary This review discusses the use of trichoscopy for diagnosing alopecia and reports no new clinical results, emphasizing its role in identifying vascular and follicular features. Our plain-language summary of this paper — not a Tressless recommendation.
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.
