title: An unusual discoloration.
authors.affiliation: Department of Dermatology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.
authors.forename: Yu-Ting
authors.initials: YT
authors.lastname: Lin
authors.forename: Ying-Yi
authors.initials: YY
authors.lastname: Chiang
mesh_terms: D046169:Dermoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D017495:Hyperpigmentation / Q000175:diagnosis / Q000209:etiology; D008875:Middle Aged; D010859:Pigmentation Disorders / Q000150:complications / Q000175:diagnosis*; D011537:Pruritus / Q000209:etiology; D035441:Thoracic Wall