title: Blue-gray blotch: A helpful dermoscopic finding in optimal biopsy site selection for true vasculitis.
authors.affiliation: Department of Dermatology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
authors.forename: Ji Yoon
authors.initials: JY
authors.lastname: Choo
authors.affiliation: Department of Dermatology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
authors.forename: Jung Min
authors.initials: JM
authors.lastname: Bae
authors.affiliation: Department of Dermatology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
authors.forename: Ji Hyun
authors.initials: JH
authors.lastname: Lee
authors.affiliation: Department of Dermatology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
authors.forename: Jun Young
authors.initials: JY
authors.lastname: Lee
authors.affiliation: Department of Dermatology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea. Electronic address: yymmpark6301@hotmail.com.
authors.forename: Young Min
authors.initials: YM
authors.lastname: Park
mesh_terms: D000328:Adult; D000367:Age Factors; D001707:Biopsy, Needle; D016208:Databases, Factual; D046169:Dermoscopy / Q000379:methods*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D008875:Middle Aged; D011693:Purpura / Q000175:diagnosis* / Q000473:pathology; D012189:Retrospective Studies; D018570:Risk Assessment; D012737:Sex Factors; D014657:Vasculitis / Q000175:diagnosis* / Q000473:pathology