Evaluation of Dermatoscopic Patterns in Hair and Scalp Disorders: A Clinical Observational Study

April 2025 in “ Clinical Dermatology Review ”

Shantanu Kesharwani, Kalpana Gupta, Sanjay Meena, Malhar Shah, B. R. Choudhary, Sourabh Malviya

trichoscopy dermatoscopy androgenetic alopecia alopecia areata telogen effluvium tinea capitis trichotillomania cicatricial alopecia short vellus hair empty follicles hair diameter diversity yellow dots black dots hair loss baldness scalp disorders hair thinning

Studysummary In this study, researchers reported that dermatoscopy effectively differentiates between various types of alopecia and scalp disorders, offering a fast, minimally invasive diagnostic method that improves the standard of care and reduces the necessity for scalp biopsies.

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Research cited in this study

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research Dermoscopy of Alopecia Areata in Retrospective Analysis

14 citations , April 2017 in “Dermatology practical & conceptual”

This study reports that yellow dots in a higher number per field of vision were the most consistent dermoscopic finding in severe cases of alopecia areata.

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 Dermoscopic Findings of Alopecia Areata in Dark-Skinned Individuals: An Analysis of 116 Cases

21 citations , January 2014 in “International Journal of Trichology”

This study observed that while dermoscopic features in alopecia areata for dark-skinned individuals align with existing literature, yellow dots appear more frequently and could help in grading disease severity.

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 Clinical Evaluation of Alopecias Using a Handheld Dermatoscope

66 citations , November 2011 in “Journal of The American Academy of Dermatology”

This study concluded that a polarized-light handheld dermatoscope attached to a digital camera is a practical and useful tool for diagnosing different types of alopecia.

research Corkscrew Hair: A New Dermoscopic Sign for Diagnosis of Tinea Capitis in Black Children

108 citations , March 2011 in “Archives of Dermatology”

Corkscrew hair may be a new sign for quickly diagnosing scalp fungus in black children.

research Utility of Dermoscopy in Alopecia Areata

76 citations , January 2011 in “Indian Journal of Dermatology/Indian journal of dermatology”

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 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 Comma Hairs: A Dermatoscopic Marker for Tinea Capitis

143 citations , October 2008 in “Journal of The American Academy of Dermatology”

This study found that comma hairs are a distinctive feature of tinea capitis caused by Microsporum canis, distinguishing it from alopecia areata, which is characterized by exclamation mark hairs.

research Videodermoscopy in the Evaluation of Hair and Scalp Disorders

304 citations , July 2006 in “Journal of The American Academy of Dermatology”

This study found that videodermoscopy enhances diagnostic accuracy for scalp and hair disorders beyond simple clinical inspection and reveals novel disease features that could improve clinical understanding.

research Kenogen

90 citations , January 2002 in “Dermatology”

This study describes the kenogen phase, where hair follicles rest after shedding, and finds its duration and frequency are greater in individuals with androgenetic alopecia, potentially contributing to baldness.

research Hair Diameter Diversity: A Clinical Sign Reflecting Follicle Miniaturization

41 citations , May 2001 in “PubMed”

This study proposes a new clinical scoring method for hair density based on hair diameter diversity, which correlates with existing measures and reflects follicle miniaturization in androgenetic alopecia.