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One cause of patellar tracking disorder is a tight lateral retinaculum. This is a ligament that anchors the outer edge of the kneecap (patella).
If tightness in this ligament is pulling your kneecap to the side, a surgeon may recommend lateral release surgery to cut the ligament. It is often done with arthroscopic surgery, which involves inserting a thin tube that contains a camera and light through a small incision near the joint.
The medial patellofemoral ligament (MPFL) attaches to the inner edge of the kneecap to help keep it from slipping toward the outside of the knee.
A damaged MPFL can be repaired with arthroscopic surgery. Repair surgery may be the right choice if the ligament was:
In most people, repairing the MPFL makes the knee joint more stable. But some people will have another dislocation after the surgery. And many people still have pain and swelling. This may be due to cartilage damage on the underside of the kneecap.1
Some surgeons think it is best to repair MPFL damage right away the first time the kneecap dislocates. Other surgeons will wait until it becomes a repeated problem.
An osteotomy is a surgery that involves cutting the bone. It may be a good treatment option if patellar tracking disorder is caused by a problem with the alignment or structure of the knee.
A tibial tubercle osteotomy moves and reinserts the patellar tendon into the shinbone (tibia). This is most often done for one or a combination of conditions in which:
A tibial tubercle osteotomy is often combined with a lateral release.
|Primary Medical Reviewer||Adam Husney, MD - Family Medicine|
|Last Revised||January 23, 2013|
Last Revised: January 23, 2013
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