title: A subclavicular dark-red patch with recent spontaneous hemorrhage and severe pain in a 24-year-old woman.
authors.affiliation: Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
authors.forename: Yue-Ping
authors.initials: YP
authors.lastname: Zeng
authors.affiliation: Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.
authors.forename: Giang Huong
authors.initials: GH
authors.lastname: Nguyen
authors.affiliation: Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
authors.forename: Ding-Rong
authors.initials: DR
authors.lastname: Zhong
authors.affiliation: Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
authors.forename: Kai
authors.initials: K
authors.lastname: Fang
authors.affiliation: Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
authors.forename: Hong-Zhong
authors.initials: HZ
authors.lastname: Jin
mesh_terms: D002968:Clavicle / Q000473:pathology; D018223:Dermatofibrosarcoma / Q000150:complications / Q000473:pathology* / Q000601:surgery*; D003937:Diagnosis, Differential; D005260:Female; D006470:Hemorrhage / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D006801:Humans; D020069:Shoulder Pain / Q000175:diagnosis / Q000209:etiology* / Q000517:prevention & control; D012878:Skin Neoplasms / Q000150:complications / Q000473:pathology* / Q000601:surgery*; D016896:Treatment Outcome; D055815:Young Adult