April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that 6.1% of new patients seeking PRP therapy for hair loss had undiagnosed cicatricial alopecia, highlighting the importance of proper diagnosis by trained dermatologists to optimize treatment outcomes.
36 citations
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January 2023 in “Skin Appendage Disorders” This review discusses the etiology, pathophysiology, trichoscopic characteristics, differential diagnoses, and treatment options for scalp seborrheic dermatitis, without providing new clinical findings.
July 2022 in “JEADV Clinical Practice” This review discusses the classification of lichen planopilaris and its subtypes under the proposed term "lichenoid alopecias," suggesting they exist along a clinical and histological spectrum.
July 2025 in “Russian Journal of Skin and Venereal Diseases” This article discusses the characteristics, diagnosis, and clinical presentation of different variants of lichen planopilaris on the scalp, with emphasis on cicatricial alopecia and the importance of clinical and trichoscopic monitoring; it presents no new clinical results.
3 citations
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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.
13 citations
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August 2017 in “International Journal of Dermatology” This study reported that trichoscopy revealed distinctive patterns across different autoimmune bullous diseases, suggesting it can be a useful preliminary diagnostic tool for differentiating these conditions.
February 2023 in “Zenodo (CERN European Organization for Nuclear Research)” This study observed that trichoscopy can identify specific patterns in alopecia areata, such as white and black dots, which assists in non-invasive diagnosis and assessing disease severity.
26 citations
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August 2013 in “Australasian Journal of Dermatology” This study found that certain trichoscopic patterns, like exclamation mark hairs, were associated with active or mild alopecia areata in Turkish patients, aiding in diagnosis and prediction of the disease.
April 2023 in “Our Dermatology Online” Trichoscopy is effective in diagnosing trichotillomania by showing specific hair patterns.
9 citations
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July 2020 in “Journal of Dermatology” This study found that diffuse and pseudo-fringe sign patterns are common in Asian patients with frontal fibrosing alopecia, and that treatments combining antiandrogens or antimalarials with topical therapy are effective.
October 2024 in “INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH” This study found that trichoscopy can effectively identify specific patterns associated with Vitamin B12, Vitamin D3, and serum ferritin deficiencies in patients with Telogen Effluvium, offering a non-invasive alternative to blood tests for early diagnosis and management.
July 2023 in “Dermatology practical & conceptual” This study developed a support vector machine model using trichoscopic patterns to accurately classify androgenic alopecia severity, with an accuracy of 94.3% in training and 90.0% in test datasets.
32 citations
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July 2017 in “Dermatology practical & conceptual” This study is the first to describe a mixed pattern of essential syphilitic alopecia using trichoscopy, identifying features like tapered bended hairs and perifollicular hyperkeratosis in a patient without secondary syphilis symptoms.
February 2023 in “International Journal of Advanced Research” This study examined 50 patients with alopecia areata and found that trichoscopy can identify specific patterns, such as white dots in 90% of cases and black dots in 80%, aiding in assessing disease activity and severity without invasive procedures.
April 2023 in “Journal of Investigative Dermatology” This study reports distinctive clinical, trichoscopic, and histopathological features of fibrosing alopecia in a pattern distribution among Chinese patients, suggesting possible racial differences compared to previous studies primarily involving Caucasians.
23 citations
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September 2019 in “Dermatology practical & conceptual” This study analyzed the features of alopecia areata incognita and diffuse alopecia areata, finding distinct patterns in hair loss regions and trichoscopic signs, and noted a benign course responsive to topical steroid therapy.
32 citations
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January 2014 in “Dermatology Research and Practice” This study found that trichoscopy can rapidly and noninvasively diagnose tinea capitis and alopecia areata in pediatric patients by identifying specific hair patterns associated with each condition.
August 2026 in “Dermatology and Therapy” In this study, researchers identified elongated corkscrew hairs as a new trichoscopic pattern in immunosuppressed adults with chronic endothrix tinea capitis, which may help in earlier diagnosis and targeted mycological investigation.
May 2026 in “Journal of Basic and Clinical Health Sciences” This study found that certain trichoscopic features, including hair diameter diversity patterns, helped differentiate female androgenetic alopecia from telogen effluvium in women, suggesting their potential use in clinical diagnosis.
August 2024 in “Research Journal of Health Sciences” This study reports that normal scalp and hair in Black Africans exhibited regular white dots and a preserved honeycomb pattern, with some showing peripilar casts and scales.
June 2023 in “QJM: An International Journal of Medicine” This study found that female pattern hair loss and acute telogen effluvium have distinct trichoscopic and histochemical characteristics, which may aid in their diagnosis and differentiation.
2 citations
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October 2023 in “Dermatology practical & conceptual” This systematic review evaluated 60 studies on trichoscopy in hair and scalp disorders, revealing gaps in accounting for variables like disease stage or hair texture, and underscoring a need for more comprehensive analyses to fully understand trichoscopic patterns.
29 citations
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January 2017 in “Skin appendage disorders” This case study highlights the importance of considering syphilis in the differential diagnosis for hair loss, as patients with the infection may present with non-typical alopecia patterns.
1 citations
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September 2024 in “Indian Journal of Postgraduate Dermatology” In this report, trichoscopy was highlighted as a valuable tool for diagnosing temporal triangular alopecia in children due to its ability to reveal distinctive patterns that differentiate it from similar conditions like alopecia areata, eliminating the need for invasive biopsy.
May 2026 in “Skin Appendage Disorders” This study identified distinct trichoscopic and histopathological features of telogen effluvium following COVID-19 infection, with trichoscopic vascular patterns correlating with the severity of the initial infection.
December 2023 in “Portuguese journal of dermatology and venereology” This study found that trichoscopic examination can effectively differentiate between alopecia areata and trichotillomania, as specific features such as black dots and exclamation marks favor alopecia areata while hair breaking at various lengths and several unique patterns are exclusive to trichotillomania.
June 2023 in “Italian journal of dermatology and venereology” In this retrospective study, researchers from the University of Bologna observed that trichoscopy can aid in diagnosing allergic scalp contact dermatitis, with key findings including common trichoscopic patterns of erythema, white scales, arborizing vessels, and simple red loops in 12 patients diagnosed with the condition.
September 2021 in “International Journal of Epidemiology” This study found that the main causes of diffuse hair loss in adult women were female pattern hair loss, telogen effluvium, chronic telogen effluvium, and a combination of female pattern hair loss with telogen effluvium.
December 2023 in “International Journal of Medical Sciences And Clinical Research” This article discusses trichoscopy as a tool for differential diagnosis in female-type androgenetic alopecia and reports on three patient cases without providing new clinical results.
This study aims to describe the trichoscopic pattern of chemotherapy-induced alopecia and its changes during different phases of chemotherapy.