title: A blue nodule on the forehead.
authors.affiliation: Department of Dermatology, Solihull Hospital, Solihull, UK.
authors.forename: N
authors.initials: N
authors.lastname: Talsania
authors.forename: G
authors.initials: G
authors.lastname: Langman
authors.forename: S D
authors.initials: SD
authors.lastname: Orpin
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005153:Facial Neoplasms / Q000473:pathology*; D005260:Female; D005546:Forehead; D018251:Hidrocystoma / Q000473:pathology*; D006801:Humans; D013544:Sweat Gland Neoplasms / Q000473:pathology*