title: Arthroscopy of the knee after the injection of 90Y.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000473:pathology / Q000532:radiotherapy; D004724:Endoscopy; D006801:Humans; D006940:Hyperemia / Q000473:pathology; D007270:Injections, Intra-Articular; D007717:Knee / Q000473:pathology*; D007719:Knee Joint; D013583:Synovial Membrane / Q000473:pathology; D013585:Synovitis / Q000473:pathology / Q000532:radiotherapy; D013997:Time Factors; D015020:Yttrium Isotopes / Q000627:therapeutic use*
chemical_list: D015020:Yttrium Isotopes