Hereditary epidermolytic palmoplantar keratosis due to a novel desmoglein‐1 mutation: A case report.

Autor: Koschitzki, Kevin, Kurz, Bernadett, Schreml, Julia, Fischer, Judith, Hotz, Alrun, Hammers, Christoph M., Berneburg, Mark, Niebel, Dennis, Schreml, Stephan
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Zdroj: Clinical Case Reports; May2024, Vol. 12 Issue 5, p1-5, 5p
Abstrakt: Key Clinical Message: Keratosis palmoplantaris striata type I (SPPK‐I) is a rare autosomal‐dominant type of hereditary epidermolytic palmoplantar keratoderma, which can be caused by mutations in desmoglein‐1 (DSG‐1). Patients suffer from hyperkeratotic plaques and painful palmoplantar fissures. Unfortunately, treatment options including salicylic vaseline, topical corticosteroids, phototherapy, and retinoids are inefficient. Hereditary palmoplantar keratodermas (PPKs) represent a heterogeneous group of rare skin disorders with epidermal palmoplantar hyperkeratosis. Mutations in the desmoglein 1 gene (DSG1), a transmembrane glycoprotein, have been reported primarily in striate PPKs. We report a patient with keratosis palmoplantaris striata type I (SPPK‐I) with a specific pathogenic variant [c.349C>T, p.(Arg117*)] in DSG1. Despite increased understanding, effective treatment options for PPK, including SPPK‐I, remain limited. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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