title: Crystal synovitis.
mesh_terms: D001168:Arthritis / Q000209:etiology; D003460:Crystallization; D011756:Diphosphates / Q000032:analysis; D004322:Drainage; D006073:Gout / Q000473:pathology; D006801:Humans; D013582:Synovial Fluid / Q000032:analysis; D013585:Synovitis / Q000209:etiology* / Q000628:therapy
chemical_list: D011756:Diphosphates