Radiosynoviorthesis (RSO)



Joint puncture

Joint puncture

This treatment is a form of nuclear medical therapy; you will be injected with radioactive substances. The radiation you receive (beta radiation) has only a low range in tissues, but develops a high local impact while protecting surrounding tissues.

Radiosynoviorthesis is used to treat chronic inflammatory diseases of the joints, which include rheumatic diseases and activated arthrosis. It can be employed as a supplementary therapy to treatment with medication and local injections of cortisone.

This is an out-patient treatment: afterwards you will be allowed to go home.

As all nuclear medical procedures involve exposure – albeit only slight – to radiation, they cannot be carried out when the patient is pregnant.







In order to assess the indication, we require a current x-ray image of the joint to be treated, a two-phase scintigram of the skeleton and, where relevant, ultrasound examination findings. If the results of such examinations are not available, our practice will carry them out in the run-up to treatment.

The doctor treating you will explain the exact course of the radiosynviorthesis in a personal consultation. Please bring your current coagulation values (Quick, PTT, thrombocytes) with you to this consultation.



During the examination you will be lying comfortably – usually on your back – on the examination table. Under sterile conditions the doctor will insert a thin cannula into the joint, monitoring the procedure visually using x-ray (fluoroscopy). As a rule, the procedure will not cause much pain. After injecting the radiotracer and a cortisone compound into the joint, where necessary scintigrams will be made to show the drugs' distribution. Afterwards you will be able to leave our practice.

Two to three days of strict rest are necessary as a follow-up to the treatment. After this, the joint must be used with care for approx. one week.

Depending on the pain reduction level, the therapy can be repeated once or twice.