title: Radiology case of the month. Rapidly expanding tumor of bone. Cystic giant cell tumor of bone.
mesh_terms: D000328:Adult; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D005500:Follow-Up Studies; D018212:Giant Cell Tumor of Bone / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D006801:Humans; D035002:Lower Extremity; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D009361:Neoplasm Invasiveness / Q000473:pathology*; D009367:Neoplasm Staging; D019637:Orthopedic Procedures / Q000379:methods; D011859:Radiography; D018570:Risk Assessment; D016896:Treatment Outcome