Prevalence and Characterization of Itch in Pachyonychia Congenita

Prevalence and Characterization of Itch in Pachyonychia CongenitaPachyonychia congenita (PC) is a group of autosomal dominant disorders that are caused by variants in 1 of 5 keratin genes.Itch is not well recognized as a clinical finding of PC 1 but is anecdotally reported by patients.To assess the prevalence and characteristics of itch in PC, we surveyed participants from the International Pachyonychia Congenita Research Registry (IPCRR).