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Case Reports
. 2021 Aug;7(5):382-386.
doi: 10.1159/000514565. Epub 2021 Apr 26.

Scalp Rosacea: Rethinking Peripilar Scaling

Norma Elizabeth Vázquez-Herrera  1 , Diana Miroslava Zamora-Benze  1 , Juana Irma Garza-Chapa  2 , Angélica Beatriz Rodríguez-Baca  1 , Antonella Tosti  3
Affiliations
Case Reports

Scalp Rosacea: Rethinking Peripilar Scaling

Norma Elizabeth Vázquez-Herrera et al. Skin Appendage Disord. 2021 Aug.

Abstract

Introduction: Scalp rosacea is scarcely reported in the literature, but it is probably not uncommon. Trichoscopic findings have not been specifically established for this entity.

Case presentation: We report 4 cases of chronic scalp rosacea with trichoscopic evidence of peripilar scaling that resolved without scarring after treatment.

Discussion/conclusion: Chronic and persistent inflammation around the isthmus produced in scalp rosacea may form peripilar scaling resembling that found in lichen planopilaris.

Keywords: Dermoscopy; Peripilar scaling; Scalp rosacea; Trichoscopy.

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Conflict of interest statement

Antonella Tosti served as a consultant or advisor for DS Laboratories, Monat Global, Almirall, Thirty Madison, Pfizer, and Leo Pharmaceuticals. All other authors have no conflicts of interest to disclose.

Figures

Fig. 1
Fig. 1
Peripilar scaling in trichoscopy of a patient with scalp rosacea.
Fig. 2
Fig. 2
Peripilar scaling and dilated arborizing vessels in trichoscopy of a patient with scalp rosacea.
Fig. 3
Fig. 3
Perifollicular lymphocytic infiltrate around the isthmus and infundibulum in trichoscopy-guided biopsy of a follicle with peripilar scaling in a patient with scalp rosacea.
Fig. 4
Fig. 4
Dilated arborizing vessels and peripilar scaling.
Fig. 5
Fig. 5
Biopsies were guided by trichoscopy, focusing on follicles with peripilar scaling present.
Fig. 6
Fig. 6
Multiple Demodex spp. mites in follicular canals.
Fig. 7
Fig. 7
Multiple Demodex spp. mites in follicular canals.
See this image and copyright information in PMC

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