title: Erythematous plaques on the face, trunk, and upper arms.
abstract: An 18-year-old woman presented with a one-year history of erythematous to slightly violaceous indurated papules and plaques on the face, earlobes, neck, upper arms, chest, and upper back.
authors.affiliation: Department of Dermatology, University of California Irvine, Irvine, California, USA.
authors.forename: Tomomi
authors.initials: T
authors.lastname: Billings
authors.forename: Jashin J
authors.initials: JJ
authors.lastname: Wu
authors.forename: Senait
authors.initials: S
authors.lastname: Dyson
mesh_terms: D000293:Adolescent; D001132:Arm; D001415:Back; D005145:Face; D005260:Female; D006801:Humans; D006886:Hydroxychloroquine / Q000627:therapeutic use; D008178:Lupus Erythematosus, Cutaneous / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology; D009333:Neck
chemical_list: D006886:Hydroxychloroquine