“…3,6 A first-line treatment for chronic synovitis is radionuclide synoviorthesis, a widely disseminated method providing satisfactory results in adults, children and adolescents. [6][7][8][9][10][11][12][13][14][15] Chemical synoviorthesis with Rifampicin or oxytetracycline chlorhydrate is a good alternative in developing countries where radionuclide is not available, when it is contraindicated or not tolerated by patients. 4,16,17 Radiosynoviorthesis (RS) is a minor surgical procedure consisting of a radionuclide infiltration into the joint cavity with the aim of restoring synovial hyperaemia, reducing joint infiltration, decreasing hypertrophy and sclerosis of the vessels of the subsynovial plexus.…”