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The Bone & Joint Journal
Vol. 102-B, Issue 1 | Pages 132 - 136
1 Jan 2020
Hommel H Becker R Fennema P Kopf S

Aims

We report the natural course of Baker’s cysts following total knee arthroplasty (TKA) at short- and mid-term follow-up.

Methods

In this prospective case series, 105 TKA patients were included. All patients who received surgery had a diagnosis of primary osteoarthritis and had preoperatively presented with a Baker’s cyst. Sonography and MRI were performed to evaluate the existence and the gross size of the cyst before TKA, and sonography was repeated at a mean follow-up time of 1.0 years (0.8 to 1.3; short-term) and 4.9 years (4.0 to 5.6; mid-term) after TKA. Symptoms potentially attributable to the Baker’s cyst were recorded at each assessment.


The Bone & Joint Journal
Vol. 98-B, Issue 9 | Pages 1185 - 1188
1 Sep 2016
Hommel H Perka C Kopf S

Aims

It is widely held that most Baker’s cysts resolve after treatment of the intra-articular knee pathology. The present study aimed to evaluate the fate of Baker’s cysts and their associated symptoms after total knee arthroplasty (TKA).

Patients and Methods

In this prospective cohort study, 102 patients with (105 were included, however three were lost to follow-up) an MRI-verified Baker’s 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.