title: What is causing this scalp lesion? Discoid lupus erythematosus.
authors.forename: Cynthia
authors.initials: C
authors.lastname: Trickett
mesh_terms: D000328:Adult; D000505:Alopecia / Q000209:etiology; D001706:Biopsy; D003937:Diagnosis, Differential; D019085:Fluorescent Antibody Technique, Direct; D006801:Humans; D008179:Lupus Erythematosus, Discoid / Q000150:complications / Q000175:diagnosis* / Q000276:immunology; D008297:Male; D010808:Physical Examination; D012536:Scalp Dermatoses / Q000150:complications / Q000175:diagnosis* / Q000276:immunology