Trichoscopic Characteristics as Diagnostic Indicators for Grading of Female Pattern Hair Loss Severity in Skin of Color: A Multicentric Retrospective Study by the International Dermoscopy Society

July 2026 in “ Journal of Cutaneous and Aesthetic Surgery ”

Abhijeet Kumar Jha, Md Zeeshan, Vikas Shankar, Anupama Singh, Divya Singh, Keshavamurthy Vinay, Trilokraj Tejasvi, Balachandra S Ankad, Yasmeen Jabeen Bhat, Martyna Sławińska, Aimilios Lallas, Enzo Errichetti

trichoscopy female pattern hair loss FPHL Sinclair scale hair count shaft diameter terminal-to-intermediate/vellus ratio T: I–V ratio single hair units hair thinning hair density hair shaft thickness

Studysummary This study found that trichoscopic quantitative parameters reliably indicate the severity of female pattern hair loss and complement the Sinclair scale by offering a more objective and reproducible grading system.

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Research cited in this study

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research Trichoscopy

42 citations , October 2012 in “Dermatologic Clinics”

This article reviews the use of trichoscopy for diagnosing common hair and scalp diseases and introduces a new classification for specific skin surface abnormalities, without presenting new clinical results.

research Hair and Scalp Dermatoscopy

245 citations , March 2012 in “Journal of The American Academy of Dermatology”

This review discusses the dermoscopic features of common hair and scalp disorders and reports no new clinical results, aiming to assist dermatologists in diagnosing conditions like tinea capitis and alopecia areata.

research Trichoscopy for Common Hair Loss Diseases: Algorithmic Method for Diagnosis

89 citations , December 2010 in “The Journal of Dermatology”

This study describes characteristic trichoscopic features of various hair loss diseases and proposes an algorithmic method for diagnosing them, but reports no new clinical results.

research Dermoscopy in Female Androgenic Alopecia: Method Standardization and Diagnostic Criteria

129 citations , January 2009 in “International Journal of Trichology”

This study found that trichoscopy criteria can distinguish female androgenic alopecia from chronic telogen effluvium, with specific features achieving 98% diagnostic specificity.

research Female Pattern Hair Loss

226 citations , September 2001 in “Journal of The American Academy of Dermatology”

Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.

research Hair Density, Hair Diameter, and the Prevalence of Female Pattern Hair Loss

234 citations , February 2001 in “British Journal of Dermatology”

FPHL affects hair density and diameter, causing visible hair loss in older women.

research Diagnostic and Predictive Value of Horizontal Sections of Scalp Biopsy Specimens in Male Pattern Androgenetic Alopecia

309 citations , May 1993 in “Journal of The American Academy of Dermatology”

This study concluded that horizontal sections of scalp biopsy specimens provide more diagnostic information for male pattern androgenetic alopecia than vertical sections and can predict hair regrowth potential following topical minoxidil therapy.