Utility of Trichoscopy in Various Types of Alopecia - A Cross-Sectional Study

March 2023 in “ Journal of skin and stem cell ”

Ranjitha Krishnegowda, Shekhar N Pradhan, Anil P. Gosavi, Nitika S. Deshmukh

trichoscopy alopecia vellus hair yellow dots dermoscopy skin biopsy

TLDR Trichoscopy is a good, quick, non-invasive way to diagnose different types of hair loss.

This cross-sectional study involved 100 patients with alopecia and investigated the effectiveness of trichoscopy as a diagnostic tool for various types of alopecia. The most common trichoscopic findings across all types of alopecia were vellus hair and yellow dots, observed in 65% of cases. The study concluded that trichoscopy is a reliable, non-invasive, and faster method of diagnosis in ambiguous cases of alopecia. In 15 difficult-to-diagnose cases, dermoscopic diagnosis was accurate in 7 cases (46.67%). However, the study had limitations, including small sample sizes and the inability to perform skin biopsies on all patients.

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