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

Studysummary This study concluded that trichoscopy is a reliable, non-invasive, and faster diagnostic method for ambiguous cases of alopecia. Our plain-language summary of this paper — not a Tressless recommendation.

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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Research cited in this study

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research Trichoscopy in Alopecia Areata

7 citations , November 2022 in “Actas Dermo-Sifiliográficas”

This study reviewed the usefulness of trichoscopy in diagnosing and monitoring alopecia areata, noting that the technique identifies specific hair features like yellow and black dots, which are linked to the disease's chronic nature and treatment response.

research Trichoscopy in Alopecia Areata

21 citations , September 2022 in “Actas Dermo-Sifiliográficas”

This study reviews the use of trichoscopy in diagnosing and monitoring alopecia areata, highlighting that certain trichoscopic findings like yellow and black dots, exclamation mark hairs, and others, provide valuable insights into disease status and treatment response.

research Differentiation of Frontal Fibrosing Alopecia and Lichen Planopilaris on Trichoscopy: A Comprehensive Review

3 citations , October 2021 in “Journal of Cosmetic Dermatology”

This review discusses the characteristic trichoscopy patterns useful in differentiating lichen planopilaris and frontal fibrosing alopecia from similar conditions but reports no new clinical results.

research Assessment, Reliability, and Validity of Trichoscopy in the Evaluation of Alopecia in Women

4 citations , February 2021 in “International Journal of Women's Dermatology”

This study determined that trichoscopy is a sensitive and specific tool that effectively aids in diagnosing alopecia in women, especially when clinical diagnosis is uncertain.

research Correlation of Trichoscopic Findings in Androgenetic Alopecia and the Disease Severity

12 citations , January 2019 in “International Journal of Trichology”

This study found that trichoscopy revealed significant differences in certain variables, such as the brown peripilar sign and white peripilar sign, which may aid in diagnosing early and late stages of androgenetic alopecia.

research Trichoscopy of Alopecia Areata: An Update

89 citations , March 2018 in “The Journal of Dermatology”

This review presents various trichoscopic findings for diagnosing alopecia areata but reports no new clinical results, emphasizing that no single marker is pathognomonic and multiple features should be considered together.

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 Dermoscopy Findings in Female Androgenetic Alopecia

12 citations , October 2012 in “Anais Brasileiros De Dermatologia”

This study found that dermoscopy is an effective tool for diagnosing and monitoring androgenetic alopecia in women, as it helped identify common signs such as hair miniaturization and peripilar brown halo.

research Scalp Dermoscopy of Androgenetic Alopecia in Asian People

67 citations , February 2009 in “Journal of Dermatology”

This study found that dermoscopy can be a useful tool for diagnosing androgenetic alopecia, particularly in determining hair diameter diversity as an essential feature in Asian populations.

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 Trichoscopy

44 citations , August 2008 in “Archives of Dermatology”

This abstract provides no results; it is a website notification about cookies and general access to JAMA content.

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.