title: "Fallen fragment sign" in Langerhans' cell histiocytosis.
authors: Department of Radiology, The Royal National Orthopaedic Hospital, Stanmore, Middlesex, UK. faisal_alyas@gmail.com
authors: F
authors: F
authors: Alyas
authors: R
authors: R
authors: Tirabosco
authors: S
authors: S
authors: Cannon
authors: A
authors: A
authors: Saifuddin
mesh_terms: D001845:Bone Cysts / Q000175:diagnosis; D001847:Bone Diseases / Q000175:diagnosis* / Q000473:pathology; D002648:Child; D003937:Diagnosis, Differential; D004803:Eosinophilic Granuloma / Q000175:diagnosis* / Q000473:pathology; D005269:Femur / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D014057:Tomography, X-Ray Computed