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. 2024 Jan 1;14(1):e2024013.
doi: 10.5826/dpc.1401a13.

Paradoxical Psoriasis: A Dermoscopic and Histopathologic Teaching Point

Marco Adriano Chessa  1   2 , Luca Rapparini  1   2 , Federica Filippi  1 , Carlotta Baraldi  1 , Bianca Maria Piraccini  1 , Iria Neri  1
Affiliations

Paradoxical Psoriasis: A Dermoscopic and Histopathologic Teaching Point

Marco Adriano Chessa et al. Dermatol Pract Concept. .
No abstract available

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Conflict of interest statement

Competing Interests: None.

Figures

Figure 1
Figure 1
(A) Erythematous desquamative plantar eruption with rhagades. (B) Dermoscopy of palmoplantar psoriasis: white scales (white arrows) and regular distributed red dots (red arrows). (C) Histology of palmoplantar psoriasis: parakeratosis, hypogranulosis, psoriasiform epidermal hyperplasia, neutrophil in the stratum corneum, dilated capillaries and perivascular lymphocytes in the dermis (H&E, 10x). (D) Dermoscopy of dyshidrotic eczema: yellow scales (yellow arrows) and brownish dots/globules (brown arrows).
See this image and copyright information in PMC

References

    1. Çetinarslan T, Türel Ermertcan A, Temiz P. Dermoscopic clues of palmoplantar hyperkeratotic eczema and palmoplantar psoriasis: A prospective, comparative study of 90 patients. J Dermatol. 2020;47(10):1157–1165. doi: 10.1111/1346-8138.15487. - DOI - PubMed
    1. Pugliese D, Guidi L, Ferraro PM, et al. Paradoxical psoriasis in a large cohort of patients with inflammatory bowel disease receiving treatment with anti-TNF alpha: 5-year follow-up study. Aliment Pharmacol Ther. 2015;42(7):880–888. doi: 10.1111/apt.13352. - DOI - PubMed

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