title: Asymptomatic scalp nodule present for 20 years.
authors.affiliation: Geisinger Medical Center, Danville, PA, USA.
authors.forename: J G
authors.initials: JG
authors.lastname: Albertini
authors.forename: M
authors.initials: M
authors.lastname: Maroon
authors.forename: W B
authors.initials: WB
authors.lastname: Tyler
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D012535:Scalp; D012878:Skin Neoplasms / Q000473:pathology*; D013997:Time Factors