title: "It's just a muscle sprain".
authors: London Sarcoma Service, Royal National Orthopaedic Hospital, Stanmore, Middlesex, UK. bhumbra@hotmail.com
authors: Rej
authors: R
authors: Bhumbra
authors: William
authors: W
authors: Aston
authors: Rob
authors: R
authors: Pollock
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D005266:Femoral Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D013180:Sprains and Strains / Q000175:diagnosis*