Baker cyst with synovial chondromatosis

Case contributed by Dr Bahman Rasuli


Left knee pain and swelling.

Patient Data

Age: 75 years
Gender: Female

Left knee joint shows triple compartment osteoarthritis seen as decreased medial femorotibial compartment joint space, subchondral sclerosis, medial compartment articular cartilage thinning, marginal and patellofemoral osteophyte formation.

Multiple globular calcific lesions in Baker's cyst is in keeping with secondary synovial chondromatosis

Total knee arthroplasty is seen on the right side.

Chondromalacia patellae as subchondral sclerosis and cyst formation are seen at the medial and lateral facet joints of patella bilaterally.

Case Discussion

Secondary synovial chondromatosis is a disorder that results in intra-articular loose bodies as a result of trauma, osteoarthrosis, or neuropathic arthropathy. A complicated Baker's cyst as it is added on to the myriad of causes of knee pain in this patient.  

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Case information

rID: 69206
Published: 3rd Jul 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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