CPPD of the knee

Case contributed by Erik Ranschaert


Pain in left knee.

Patient Data

Age: 80 years
Gender: Male

Extensive degenerative changes, chondrocalcinosis in both menisci, predominant patellofemoral joint osteoarthritis, and calcification of the gastrocnemius tendon origin.

Case Discussion

Calcium pyrophosphate dihydrate deposition disease (CPPD) in the knee. 

The knee is the joint most commonly affected by CPPD. Typical findings are:

  • chondrocalcinosis involving both menisci and hyaline cartilage
  • predominant patellofemoral joint osteoarthritis
  • calcifications of the gastrocnemius tendon

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