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This review discusses the etiology, pathophysiology, trichoscopic characteristics, differential diagnoses, and treatment options for scalp seborrheic dermatitis, without providing new clinical findings.

This study observed that trichoscopy of long-lasting lesions in a chronic stage revealed specific features such as absence of follicular openings, cicatricial patches, and thick arborizing vessels.

Dermatoscopy helps track scar changes and guide treatment.

In this case report, a 74-year-old woman initially diagnosed with androgenetic alopecia was later found to have secondary alopecia neoplastica due to morpheaform basal cell carcinoma of the scalp, illustrating the importance of recognizing subtle clinical features to prevent delayed treatment and potential local destruction.

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.

Follicular red dots can appear where alopecia areata and vitiligo overlap.

Yellow dots look different in various hair loss conditions and can help diagnose them.

This study found that trichoscopic examination is useful for diagnosing and monitoring systemic lupus erythematosus, with severe diffuse non-scarring alopecia indicating active disease.

This review examines the use of dermoscopy for diagnosing common hair disorders and highlights its importance, but it does not report new clinical results.

This study found that trichoscopy can differentiate between dermatomyositis, systemic lupus erythematosus, and systemic sclerosis by identifying distinctive features and may help assess disease activity.

This study found that trichoscopy is crucial for distinguishing lupus erythematosus-specific alopecia from alopecia areata, leading to more accurate diagnoses and better outcomes for patients.

This review describes trichoscopy features of lichen planopilaris and frontal fibrosing alopecia, identifying distinct patterns that help differentiate the two conditions.

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.

This review discusses the application of trichoscopy in diagnosing various hair and scalp diseases and reports no new clinical results; the authors emphasize its role as a non-invasive diagnostic tool.

This study found that nonscarring alopecia in patients with systemic lupus erythematosus may indicate higher disease activity, as evidenced by specific histological and immunofluorescence changes.

This review discusses the use of trichoscopy for diagnosing systemic diseases and concludes that certain trichoscopic features may help dermatologists suspect these conditions.

This review examines the trichoscopic characteristics of scalp DLE and LPP, correlating these findings with histopathological data, but provides no new clinical results.

This article reviews the use of trichoscopy for diagnosing and monitoring various scalp conditions, but it presents no new experimental findings; the authors emphasize its precision in noninvasive evaluation.

This study found that dermoscopy can identify distinctive features in canine pattern alopecia, such as hair shaft thinning and pigmentation patterns, which may aid in diagnosing this and potentially other skin disorders.

This study found that trichoscopy can effectively differentiate scalp psoriasis from seborrheic dermatitis by identifying specific trichoscopic patterns such as hidden hairs, signet ring vessels, and comma vessels.

In this study, researchers found that dermoscopy does not provide distinguishing features for diagnosing scalp contact dermatitis from topical minoxidil compared to other causes of severe scalp itching.

This review discusses recent advances in trichoscopy for differentiating types of alopecia and presents a systematic approach for using its diagnostic findings, but reports no new clinical results.

This study established standard trichoscopy norms for adult white females, providing benchmarks for hair thickness, percentage of thin hairs, and pilosebaceous units with single hair across different scalp areas.

This study suggests that trichoscopy with a handheld dermatoscope may help differentiate temporal triangular alopecia from other localized alopecia by identifying specific hair features.

In this study, certain trichoscopic features were found to be sensitive and specific for diagnosing primary cicatricial alopecias and its subtypes using dermatoscopy.

This study suggests that trichoscopy may assist in diagnosing pemphigus, particularly for scalp-specific lesions, by identifying certain characteristic features.

This study found that scalp involvement in dermatomyositis consistently shows a nonscarring pattern with chronic telogen effluvium, featuring telangiectasia and mucin deposition as universal histologic markers.

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.

This article provides an overview of how dermoscopy can aid in the noninvasive diagnosis of various general dermatological disorders, grouped by clinical presentation, but reports no new clinical results.

In this case report, a 36-year-old woman with systemic lupus erythematosus and alopecia related to discoid lupus erythematosus showed hair regrowth following treatment with concentrated growth factor, suggesting its potential as a cosmetic therapy for DLE.