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. 2020 Oct 26;10(4):e2020075.
doi: 10.5826/dpc.1004a75. eCollection 2020 Oct.

Dermoscopy of Pigmented Purpuric Lichenoid Dermatitis of Gougerot and Blum in an HIV-infected Patient

Pedro Miguel Garrido  1 , Pablo Espinosa-Lara  1 , Marta Aguado-Lobo  1 , Luís Soares-Almeida  1   2   3 , João Borges-Costa  1   2   3   4
Affiliations

Dermoscopy of Pigmented Purpuric Lichenoid Dermatitis of Gougerot and Blum in an HIV-infected Patient

Pedro Miguel Garrido et al. Dermatol Pract Concept. .
No abstract available

Keywords: dermoscopy; human immunodeficiency virus; pigmented purpuric dermatosis; pigmented purpuric lichenoid dermatitis of Gougerot and Blum.

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Conflict of interest statement

Competing interests: The authors have no conflicts of interest to disclose.

Figures

Figure 1
Figure 1
Clinical findings: red-brown nummular plaques with a lighter central area surrounded by a narrow erythematous-violaceous border on the legs.
Figure 2
Figure 2
Dermoscopic findings: diffuse coppery-red structureless background (black star) permeated by a brownish-to-gray network with ill-defined borders and a polymorphic pearly white central area (red star) with polygonal-to-oval red and gray dots (blue and yellow star, respectively), red globules (green arrow) and patches.
Figure 3
Figure 3
Histopathologic findings. (A) Dense band-like lymphocytic infiltrate in the upper dermis and increased number of dilated blood vessels. (B) Endothelial cell swelling and extravasation of red blood cells with hemosiderin inside of macrophages. (C) Hemosiderin deposition in the upper dermis. (A,B) H&E stain; original magnifications ×40, ×100. (C) Perls Prussian blue iron stain; original magnification ×40).
Figure 3
Figure 3
Histopathologic findings. (A) Dense band-like lymphocytic infiltrate in the upper dermis and increased number of dilated blood vessels. (B) Endothelial cell swelling and extravasation of red blood cells with hemosiderin inside of macrophages. (C) Hemosiderin deposition in the upper dermis. (A,B) H&E stain; original magnifications ×40, ×100. (C) Perls Prussian blue iron stain; original magnification ×40).
Figure 3
Figure 3
Histopathologic findings. (A) Dense band-like lymphocytic infiltrate in the upper dermis and increased number of dilated blood vessels. (B) Endothelial cell swelling and extravasation of red blood cells with hemosiderin inside of macrophages. (C) Hemosiderin deposition in the upper dermis. (A,B) H&E stain; original magnifications ×40, ×100. (C) Perls Prussian blue iron stain; original magnification ×40).
See this image and copyright information in PMC

References

    1. Kim DH, Seo SH, Ahn HH, Kye YC, Choi JE. Characteristics and clinical manifestations of pigmented purpuric dermatosis. Ann Dermatol. 2015;27(4):404–410. doi: 10.5021/ad.2015.27.4.404. - DOI - PMC - PubMed
    1. Park MY, Shim WH, Kim JM, et al. Dermoscopic finding in pigmented purpuric lichenoid dermatosis of Gougerot-Blum: a useful tool for clinical diagnosis. Ann Dermatol. 2018;30(2):245–247. doi: 10.5021/ad.2018.30.2.245. - DOI - PMC - PubMed

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