Radiopharmaceuticals in radiosynoviorthesis

ABSTRACT The radiosynoviorthesis is a procedure of metabolic radiotherapy, consisting in the intrarticular injection of a radiopharmaceutical with a beta emitting radionuclide for the treatment of chronic sinovitis, frecuently present in reumatoid arthritis, haemophilia and other systemic diseases. As this is a safe, effective and a relatively low-cost procedure, It is ordinarily used in Europe, USA and in some Latin American countries. The existing commercial products are based on , , and , although research is carried out on the use of , , among others radionuclides. In Cuba a suspension of Chromium Phosphate (III) labeled with , is on trial. The above-mentioned suspension has enough characteristics to become an efficient and safe product in practice.