title: [Skin necroses following the use of a 2-per-cent Pyoctanin solution].
abstract: The case of a child is reported in whom a circumscribed necrotic skin reaction developed in the gluteal fold after application of 2% crystal violet (Pyoktanin) in aqueous solution. Similar cases are described after topical treatment with 1% solutions of dyes. For direct application to intertriginous areas, triphenylmethane dyes should be used in lower concentrations.
mesh_terms: D002081:Buttocks; D002675:Child, Preschool; D003872:Dermatitis / Q000188:drug therapy; D004305:Dose-Response Relationship, Drug; D005840:Gentian Violet / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D012871:Skin Diseases / Q000139:chemically induced*
chemical_list: D005840:Gentian Violet
vernacular_title: Hautnekrosen nach Anwendung 2%iger Pyoktaninlösung