Trichoscopic Findings in Patients With Patchy Alopecia and Its Comparison With Histopathological Diagnosis

January 2024 in “ Muller Journal of Medical Sciences and Research ”

Indukrishnan Manikkasseril Unnikrishnan, Rani Mathew

trichoscopy alopecia areata lichen planopilaris histopathology pseudopelade of Brocq morphea AA LPP

Studysummary This study found that trichoscopy was 73.77% concordant with histopathology in diagnosing patchy alopecia, highlighting its usefulness as a diagnostic tool for conditions like alopecia areata, lichen planus pigmentosus, and discoid lupus erythematosus.

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The study involving 61 patients with patchy alopecia demonstrated that trichoscopy is an effective noninvasive diagnostic tool for identifying various types of patchy alopecia, such as alopecia areata (AA) and lichen planopilaris (LPP), with a 73.77% concordance rate with histopathological findings. While trichoscopy is particularly useful for diagnosing AA and LPP, histopathology is more advantageous for conditions like pseudopelade of Brocq and morphea. The study concluded that trichoscopy can often reduce the need for invasive biopsies, though histopathology remains essential for uncertain cases.

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Research cited in this study

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research Relevance of Trichoscopy in the Differential Diagnosis of Alopecia: A Cross-Sectional Study from North India

38 citations , January 2016 in “Indian Journal of Dermatology, Venereology and Leprology”

This study found that trichoscopy was useful in diagnosing different types of alopecia, with specific trichoscopic features aiding in the differential diagnosis.

research Trichoscopy in Alopecias: Diagnosis Simplified

96 citations , January 2013 in “International Journal of Trichology”

This article reviews the use of trichoscopy for diagnosing various types of alopecia and reports no new clinical results; it is suggested as a non-invasive method for diagnosis and monitoring treatment responses.

research Utility of Dermoscopy in Alopecia Areata

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In this study, researchers identified yellow dots as the most common dermoscopic feature of alopecia areata, followed by black dots, broken hairs, short vellus hair, and tapering hairs.

research Primary Cicatricial Alopecias: Clinicopathology of 112 Cases

254 citations , December 2003 in “Journal of the American Academy of Dermatology”

This study reviewed the epidemiology and treatment of inflammatory cicatricial alopecias and highlighted the importance of scalp biopsies for accurate diagnosis in a mixed ethnic population at a university hair clinic.