title: Residents' corner. sQuiz your knowledge: Perianal dermatitis: an allergic contact dermatitis?
authors.affiliation: Complejo Asistencial Universitario de León, Department of Dermatology, Altos de Navas s/n, 24080 León, Spain.
authors.forename: Eduardo
authors.initials: E
authors.lastname: Varas-Meis
authors.affiliation: Complejo Asistencial Universitario de León, Department of Dermatology, Altos de Navas s/n, 24080 León, Spain.
authors.forename: Paula
authors.initials: P
authors.lastname: Fernandez-Canga
authors.affiliation: Complejo Asistencial Universitario de León, Department of Dermatology, Altos de Navas s/n, 24080 León, Spain.
authors.forename: Inmaculada
authors.initials: I
authors.lastname: Ruiz-Gonzalez
authors.affiliation: Complejo Asistencial Universitario de León, Department of Dermatology, Altos de Navas s/n, 24080 León, Spain.
authors.forename: Manuel-Ángel
authors.initials: MÁ
authors.lastname: Rodriguez-Prieto
mesh_terms: D000368:Aged; D000779:Anesthetics, Local / Q000009:adverse effects*; D001566:Benzocaine / Q000009:adverse effects*; D017449:Dermatitis, Allergic Contact / Q000175:diagnosis* / Q000209:etiology*; D006801:Humans; D008297:Male; D010328:Patch Tests; D011538:Pruritus Ani / Q000139:chemically induced*
chemical_list: D000779:Anesthetics, Local; D001566:Benzocaine