title: Erythematous Nodular Lesion on the Upper Back.
authors.affiliation: *Department of Dermatology, Clínica Las Condes, Santiago, Chile; †University of the Andes, Santiago, Chile; and ‡Department of Pathology, Clínica Las Condes, Santiago, Chile.
authors.forename: Pedro
authors.initials: P
authors.lastname: Lobos
authors.forename: Andrea
authors.initials: A
authors.lastname: Lobos
authors.forename: Sergio
authors.initials: S
authors.lastname: González
mesh_terms: D001415:Back; D001706:Biopsy; D002454:Cell Differentiation; D046169:Dermoscopy; D003937:Diagnosis, Differential; D004890:Erythema / Q000473:pathology*; D018859:Hair Follicle / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests; D012878:Skin Neoplasms / Q000473:pathology*