title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 43-1983. An elderly man with progressive pain and swelling of the knee.
mesh_terms: D000368:Aged; D000671:Amputation, Surgical; D003937:Diagnosis, Differential; D006394:Hemangiosarcoma / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D007719:Knee Joint; D007866:Leg / Q000601:surgery; D008297:Male; D009361:Neoplasm Invasiveness; D013583:Synovial Membrane / Q000473:pathology*; D014394:Tuberculosis, Osteoarticular / Q000175:diagnosis