title: Residents' corner. sQuiz your knowledge: Acute painful purpuric rash.
authors.affiliation: Unidad de Gestión Clínica Dermatología y Venereología, Hospital Universitario Puerta del Mar, Cádiz, Spain.
authors.forename: Lidia
authors.initials: L
authors.lastname: Ossorio-García
authors.affiliation: Unidad de Gestión Clínica Dermatología y Venereología, Hospital Universitario Puerta del Mar, Cádiz, Spain.
authors.forename: Cintia
authors.initials: C
authors.lastname: Arjona-Aguilera
authors.affiliation: Unidad de Gestión Clínica Dermatología y Venereología, Hospital Universitario Puerta del Mar, Cádiz, Spain.
authors.forename: David
authors.initials: D
authors.lastname: Jiménez-Gallo
mesh_terms: D000328:Adult; D000925:Anticoagulants / Q000009:adverse effects*; D003875:Drug Eruptions / Q000175:diagnosis* / Q000209:etiology; D005076:Exanthema / Q000139:chemically induced*; D005260:Female; D006801:Humans; D009336:Necrosis; D011693:Purpura / Q000139:chemically induced*; D012867:Skin / Q000473:pathology*; D014859:Warfarin / Q000009:adverse effects*
chemical_list: D000925:Anticoagulants; D014859:Warfarin