title: A pain in the neck.
authors.affiliation: Radiology Department, Birmingham Children's Hospital, Steelhouse Lane, Birmingham, B4 6NH, UK.
authors.forename: Ayeshea
authors.initials: A
authors.lastname: Zacharkiw
authors.forename: Helen
authors.initials: H
authors.lastname: Williams
mesh_terms: D002648:Child; D002675:Child, Preschool; D006646:Histiocytosis, Langerhans-Cell / Q000150:complications* / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009333:Neck / Q000000981:diagnostic imaging; D019547:Neck Pain / Q000209:etiology*; D011856:Radiographic Image Enhancement; D017703:Retropharyngeal Abscess / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed