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Patellofemoral syndrome, Chondromalacia Patellae
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- Runner's Knee or Chondromalacia Patellae is a softening of the cartilage in the
posterior part of the patella. The posterior patella
articulates (forms a joint) with the femur (thighbone).
- Abnormal compression of the
posterior patella against the femur probably results in
inflammation, leading to abnormal cartilage wear.
- If the patella is not centered properly, it strikes the femur abnormally, possibly increasing cartilage wear.
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- Pain and aching of the affected knee, especially when negotiating stairs or when running
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- Injury
- Overuse of the knee
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- The affected posterior cartilage cannot be seen on plain X-ray but can be seen on MRI scan.
- Lateral or medial deviation of the patella, seen on plain films, is an indication that this condition may be present.
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- Runners
- This condition occurs in men, but is more likely in young women and teenage women.
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- Rest or limiting those weight-bearing activities that worsen the knee pain
- Physical therapy with graded exercises to strengthen the muscles about the knee
- Anti-inflammatory medicines, such as NSAIDs
(non-steroidal anti-inflammatory drugs)
- Bracing, in selected cases
- Surgery, in selected cases
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- Continued knee pain and limitation of knee function
- Effusion of the knee joint
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- Other causes of knee pain
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