Trichoscopic Findings in Various Alopecias at Tertiary Referral Center: A Cross-Sectional Study

January 2022 in “ Journal of Dermatology and Dermatologic Surgery ”

P Mamatha, V Neha, ShishiraR Jartarkar, Shalini Sampath, RakeshR Madireddy

alopecia nonscarring alopecia scarring alopecia androgenetic alopecia alopecia areata telogen effluvium trichoscopy yellow dots short vellus hair black dots hair loss pattern baldness spot baldness hair shedding hair examination

TLDR Trichoscopy is useful for quickly diagnosing different types of hair loss without needing biopsies.

A cross-sectional observational study conducted on 256 patients with alopecia at Vydehi Institute of Medical Sciences and Research Centre in Bangalore, India, found that nonscarring alopecias were more prevalent (93.35%) than scarring alopecias (5.85%). The most common type of nonscarring alopecia was androgenetic alopecia (48.82%), followed by alopecia areata (19.63%) and telogen effluvium (18.75%). Trichoscopy, a noninvasive technique, revealed common follicular features such as yellow dots (61%), short vellus hair (62.8%), and black dots (21.87%). The study concluded that trichoscopy is a valuable tool for diagnosing and monitoring hair disorders, as it can differentiate between nonscarring and scarring hair loss, leading to faster diagnosis and reducing the need for unnecessary biopsies.

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