{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T14:45:40Z","timestamp":1771512340057,"version":"3.50.1"},"reference-count":31,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"9","license":[{"start":{"date-parts":[[2016,9,1]],"date-time":"2016-09-01T00:00:00Z","timestamp":1472688000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/online.boneandjoint.org.uk\/TDM"}],"content-domain":{"domain":["online.boneandjoint.org.uk"],"crossmark-restriction":true},"short-container-title":["The Bone &amp; Joint Journal"],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:sec><jats:title>Aims<\/jats:title><jats:p> It is widely held that most Baker\u2019s cysts resolve after treatment of the intra-articular knee pathology. The present study aimed to evaluate the fate of Baker\u2019s cysts and their associated symptoms after total knee arthroplasty (TKA). <\/jats:p><\/jats:sec><jats:sec><jats:title>Patients and Methods<\/jats:title><jats:p> In this prospective cohort study, 102 patients with (105 were included, however three were lost to follow-up) an MRI-verified Baker\u2019s cyst, primary osteoarthritis and scheduled for TKA were included. Ultrasound was performed to evaluate the existence and the gross size of the cyst before and at one year after TKA. Additionally, associated symptoms of Baker's cyst were recorded pre- and post-operatively. <\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p> After one year, a Baker\u2019s cyst was still present in 87 patients (85%). There was a significant reduction in associated symptoms arising from the Baker\u2019s cyst before (71%) to after surgery (31%). No patients developed a new Baker\u2019s cyst associated symptoms. However, of the 72 patients who had reported Baker\u2019s cyst associated symptoms pre-operatively, 32 patients (44%) still complained of such symptoms one year after surgery. <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p> Baker\u2019s cysts had resolved in only a small number of patients (15%) one year after TKA and symptoms from the cysts persisted in 31%. 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