title: Unknown case: part 1.
authors.affiliation: Department of Radiology, Royal National Orthopaedic Hospital, London, UK. silviacostadias@hotmail.com
authors.forename: Sílvia Costa
authors.initials: SC
authors.lastname: Dias
authors.forename: Asif
authors.initials: A
authors.lastname: Saifuddin
mesh_terms: D000058:Accidental Falls; D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008067:Lipoma / Q000175:diagnosis* / Q000601:surgery; D008080:Liposarcoma / Q000175:diagnosis* / Q000601:surgery; D008279:Magnetic Resonance Imaging; D011859:Radiography; D013131:Spine / Q000000981:diagnostic imaging / Q000473:pathology*; D013848:Thigh