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Review
. 2023 Jun;9(3):160-164.
doi: 10.1159/000529854. Epub 2023 Apr 5.

Scalp Seborrheic Dermatitis: What We Know So Far

Anne Kelly Leroy  1 , Rita Fernanda Cortez de Almeida  1 , Daniel Lago Obadia  1 , Sidney Frattini  2 , Daniel Fernandes Melo  1
Affiliations
Review

Scalp Seborrheic Dermatitis: What We Know So Far

Anne Kelly Leroy et al. Skin Appendage Disord. 2023 Jun.

Abstract

Scalp seborrheic dermatitis (SSD) is a prevalent chronic, relapsing inflammatory skin disease. The etiology is related to sebum production, bacterial proliferation - Staphylococcus sp., Streptococcus, and M. restricta - and host immunity factors - NK1+, CD16+ cells, IL-1, and IL-8. Trichoscopy features include mostly arborizing vessels and yellowish scales. New trichoscopic findings were described to guide the diagnosis as dandelion vascular conglomerate, "cherry blossom" vascular pattern, and intrafollicular oily material. Antifungals and corticosteroids constitute the essential therapy, but new treatments have been described. This article aims to review and discuss the etiology, pathophysiology, trichoscopy, histopathologic findings, main differential diagnoses, and therapeutic options of SSD.

Keywords: Dandruff; Microbiome; Scalp; Seborrheic dermatitis.

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Conflict of interest statement

The authors have no conflict of interest to declare.

Figures

Fig. 1
Fig. 1
Practical algorithm for SSD therapy according to the disease severity.
See this image and copyright information in PMC

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