title: Asymptomatic, dark gray, slowly progressive macules and papules on the scalp and forehead.
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Ruprecht Karls University Heidelberg, Germany.
authors.forename: Roland
authors.initials: R
authors.lastname: Schneiderbauer
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Ruprecht Karls University Heidelberg, Germany.
authors.forename: Elisa
authors.initials: E
authors.lastname: Berthold
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Ruprecht Karls University Heidelberg, Germany.
authors.forename: Ferdinand
authors.initials: F
authors.lastname: Toberer
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Ruprecht Karls University Heidelberg, Germany.
authors.forename: Marta
authors.initials: M
authors.lastname: Kogut
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Ruprecht Karls University Heidelberg, Germany.
authors.forename: Alexander H
authors.initials: AH
authors.lastname: Enk
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Ruprecht Karls University Heidelberg, Germany.
authors.forename: Holger A
authors.initials: HA
authors.lastname: Haenssle
mesh_terms: D003937:Diagnosis, Differential; D005148:Facial Dermatoses / Q000473:pathology*; D005546:Forehead; D006801:Humans; D008297:Male; D008875:Middle Aged; D018329:Nevus, Blue / Q000473:pathology*; D012536:Scalp Dermatoses / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*