title: Pink-violaceous patches on the lower back, buttocks, and thighs of a 13-year-old girl.
authors.affiliation: Pediatric Residency Program, St Christopher's Hospital for Children, Philadelphia, Pennsylvania.
authors.forename: Colleen Helen
authors.initials: CH
authors.lastname: Cotton
authors.affiliation: Division of Pediatrics, Section of Dermatology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
authors.forename: Leslie
authors.initials: L
authors.lastname: Castelo-Soccio
mesh_terms: D000293:Adolescent; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D000907:Antibodies, Bacterial / Q000097:blood; D001415:Back; D025065:Borrelia burgdorferi / Q000276:immunology; D002081:Buttocks; D003424:Crohn Disease / Q000150:complications; D003937:Diagnosis, Differential; D004318:Doxycycline / Q000627:therapeutic use; D005076:Exanthema / Q000175:diagnosis* / Q000188:drug therapy; D005260:Female; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008193:Lyme Disease / Q000175:diagnosis* / Q000188:drug therapy; D013848:Thigh
chemical_list: D000900:Anti-Bacterial Agents; D000907:Antibodies, Bacterial; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D004318:Doxycycline