title: Purple curvilinear papules on the back.
authors.affiliation: Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA.
authors.forename: Sara A
authors.initials: SA
authors.lastname: Berg
authors.affiliation: Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA.
authors.forename: Adam I
authors.initials: AI
authors.lastname: Rubin
authors.affiliation: Department of Dermatology and Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA.
authors.forename: Robert G
authors.initials: RG
authors.lastname: Micheletti
mesh_terms: D001415:Back; D016026:Bone Marrow Transplantation / Q000009:adverse effects*; D005260:Female; D006086:Graft vs Host Disease / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008875:Middle Aged