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Petechial Exanthem in “Bathing Trunk” Distribution Caused by Parvovirus B19 Infection


M. I. Longo-Imedio, M.D., Ph.D., Servicio de Dermatología, Hospital Gregorio Marañón, C/Dr Esquerdo 46, 28007 Madrid, Spain, or e-mail:


Abstract:  We report a 13-year-old boy with a petechial rash on the genital area, in which primary infection by Parvovirus B19 was demonstrated by seroconversion. To our knowledge this is the first instance of an exanthem arising from Parvovirus B19 with an exclusive genital distribution without typical acral involvement.