Erythromelalgia caused by the missense mutation p.Arg220Pro in an alternatively spliced exon of SCN9A (NaV1.7). Deuis JR, Kumble S, Keramidas A, et al. Erythromelalgia caused by the missense mutation p.Arg220Pro in an alternatively spliced exon of SCN9A (NaV1.7). Human molecular genetics. 2023. doi:10.1093/hmg/ddad152 Read more