INSIGHTS THROUGH TRANSLATIONAL SCIENCE
Article first published online: 02 Nov 2018
Pachyonychia congenita (PC) is a rare autosomal dominant disorder characterized by nail dystrophy and palmoplantar keratoderma with severe plantar pain affecting quality of life. There is no effective treatment. Heterozygous mutations in the keratin genes KRT6A, KRT6B, KRT6C, KRT16 and KRT17 have been reported as a cause of PC. Herein we present a female patient with an amino acid substitution mutation in KRT6A (c.1381G>A, p.Glu461Lys in exon 7) and classic features of PC associated with oral leucokeratosis and follicular hyperkeratosis. We also demonstrate successful treatment of the patient with rosuvastatin. A 3.6‐mm reduction in plantar callosity thickness was demonstrated by sonography. Our patient also experienced significant pain relief that allowed her to increase physical activity (Children’s Dermatology Life Quality Index score dropped nine points following treatment). Collectively, these improvements suggest that rosuvastatin may offer a promising treatment for PC.
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