title: Violaceous Eruption on the Head and Extremities. Lichen Planus Actinicus.
authors.affiliation: Sampson Regional Medical Center, Clinton, North Carolina.
authors.forename: Felicia E
authors.initials: FE
authors.lastname: Ekpo
authors.affiliation: Pritzker School of Medicine, University of Chicago, Illinois3Department of Anatomic Pathology, NorthShore University HealthSystem, Skokie, Illinois.
authors.forename: Thomas L
authors.initials: TL
authors.lastname: Cibull
authors.affiliation: Pritzker School of Medicine, University of Chicago, Illinois4Division of Dermatology, Department of Medicine, NorthShore University HealthSystem, Evanston, Illinois.
authors.forename: Edidiong Celestine Ntuen
authors.initials: EC
authors.lastname: Kaminska
mesh_terms: D001706:Biopsy; D005121:Extremities; D006801:Humans; D008010:Lichen Planus / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012535:Scalp / Q000473:pathology*