title: An irregular pigmented lesion on the back.
authors.affiliation: Department of Dermatology, Hospital Universitario de Fuenlabrada, Madrid, Spain.
authors.forename: Monica
authors.initials: M
authors.lastname: Gonzalez-Olivares
authors.affiliation: Department of Pathology, Hospital Universitario de Fuenlabrada, Madrid, Spain.
authors.forename: Laura
authors.initials: L
authors.lastname: Najera
authors.affiliation: Department of Dermatology, Hospital Universitario de Fuenlabrada, Madrid, Spain.
authors.forename: Dolores
authors.initials: D
authors.lastname: Arias-Palomo