0 an operation to remove the synovial membrane (= part of the structure that helps bones to move smoothly in the joints)
Similarly, excision of the ulnar head and synovectomy of the wrist may give considerable pain relief and free extensor tendons which are at risk of rupture.
Partial synovectomy is normally done arthroscopically.
The need for further procedures is greater than 25% although normally the frequency of the required removal of loose bodies is reduced by the previous synovectomy.