title: Painful purple nodule on the right thigh.
authors.affiliation: Department of Dermatology, Hospital de Curry Cabral-Centro Hospitalar de Lisboa Central, Lisboa, Portugal.
authors.forename: André
authors.initials: A
authors.lastname: Oliveira
authors.affiliation: Department of Dermatology, Hospital de Curry Cabral-Centro Hospitalar de Lisboa Central, Lisboa, Portugal.
authors.forename: Susana
authors.initials: S
authors.lastname: Brás
authors.affiliation: Department of Pathology, Hospital de Curry Cabral-Centro Hospitalar de Lisboa Central, Lisboa, Portugal.
authors.forename: Adelaide
authors.initials: A
authors.lastname: Milheiro
authors.affiliation: Department of Dermatology, Hospital de Curry Cabral-Centro Hospitalar de Lisboa Central, Lisboa, Portugal.
authors.forename: Jorge
authors.initials: J
authors.lastname: Cardoso