title: A red-brown plaque on the nape. Solitary mastocytoma.
authors.affiliation: Taipei Municipal Jen-Ai Hospital, Taipei, Taiwan.
authors.forename: I-Jing
authors.initials: IJ
authors.lastname: Chang
authors.forename: Chia-Yi
authors.initials: CY
authors.lastname: Yang
authors.forename: Feng-Yi
authors.initials: FY
authors.lastname: Sung
authors.forename: Kai-Yam
authors.initials: KY
authors.lastname: Ng
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D034801:Mastocytoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D009333:Neck