Diagnostic Accuracy of Trichoscopy in Inflammatory Scalp Diseases: A Systematic Review.

Dermatology (Basel, Switzerland) Pub Date : 2022-01-01 Epub Date: 2021-07-15 DOI:10.1159/000517516

Joanna Golińska, Marta Sar-Pomian, Lidia Rudnicka

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Abstract

Background: The common inflammatory scalp diseases, such as psoriasis, seborrheic dermatitis, lichen planopilaris, discoid lupus erythematosus, contact dermatitis, or pemphigus may share similar clinical features.

Objective: To identify and systematically review the available evidence on the accuracy of trichoscopy in inflammatory scalp disorders.

Methods: A systematic review was performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A total of 58 articles were included in the analysis.

Results: The following trichoscopy features were found to show the highest specificity for the respective diseases: in psoriasis: diffuse scaling, simple and twisted red loops, red dots and globules, and glomerular vessels; in seborrheic dermatitis: atypical vessels, thin arborizing vessels, and structureless red areas; in discoid lupus erythematosus: follicular plugs and erythema encircling follicles; in lichen planopilaris: milky red areas or fibrotic patches; in contact dermatitis: twisted red loops; in pemphigus foliaceus: white polygonal structures and serpentine vessels; in pemphigus vulgaris: red dots with whitish halo and lace-like vessels; and in dermatomyositis: lake-like vascular structures.

Limitations: Different nomenclature and variability in parameters, which were analyzed in different studies.

Conclusion: This systemic analysis indicates that trichoscopy may be used with high accuracy in the differential diagnosis of inflammatory scalp diseases.

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毛发镜诊断炎症性头皮疾病的准确性：系统综述。

背景：常见的炎症性头皮疾病，如牛皮癣、脂溢性皮炎、扁平苔藓、盘状红斑狼疮、接触性皮炎或天疱疮可能具有相似的临床特征。目的：识别和系统回顾已有的证据，证明毛发镜检查在炎症性头皮疾病中的准确性。方法：根据系统评价和荟萃分析的首选报告项目（PRISMA）指南进行系统评价。共有58篇文章被纳入分析。结果：以下特征对银屑病表现出最高的特异性：银屑病：弥漫性结垢、简单扭曲的红环、红点和红球、肾小球血管；脂溢性皮炎：血管不典型，细枝状血管，无结构的红色区域；盘状红斑狼疮：滤泡堵塞和围绕滤泡的红斑；扁平地衣：乳白色红色区域或纤维化斑块；接触性皮炎：红圈扭曲；叶状天疱疮：白色多边形结构和蛇形血管；在寻常型天疱疮：红点与白色的光环和花边状血管；在皮肌炎中：湖状血管结构。局限性：在不同的研究中分析了不同的命名法和参数的可变性。结论：毛发镜检查在炎性头皮疾病的鉴别诊断中具有较高的准确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Dermatology (Basel, Switzerland)

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