Secondary synovial chondromatosis

Case contributed by Dr Varun Babu


Post traumatic knee pain

Patient Data

Age: 60 years
Gender: Male

MRI knee

  • triple compartment osteoarthritis
    • decreased medial joint space
    • subchondral sclerosis.
    • medial compartment articular cartilage thinning
    • femoral condyle, tibial spine, patellar osteophytosis
  • concretions in a small Baker's cyst in keeping with secondary synovial osteochondromatosis. 
  • focal edema in medial tibial subchondral surface. 
  • degenerate tear of posterior horn of medial meniscus
  • lax myxoid degenerate anterior cruciate ligament
  • retropatellar, superficial and deep infrapatellar bursal fluid. 
  • Hoffa fat inflammation

Case Discussion

Secondary synovial osteochondromatosis is distinguished from primary entity by florid evidence of osteoarthritic changes, lack of extensive synovial proliferation and picture of mutliple trapped synovial cysts. A complicated Baker's cyst as it is adds on to the myriad of causes of knee pain in this patient. 

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Case information

rID: 47580
Published: 22nd Aug 2016
Last edited: 22nd Aug 2016
Inclusion in quiz mode: Included

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