Patellar dislocation
Patellar Dislocation
Patellar dislocation (pronounced puh-tell-er dis-loh-kay-shun) is a medical condition where the patella, or kneecap, moves out of its normal position.
Etymology
The term "patellar" is derived from the Latin word "patella," which means "small dish," referring to the shape of the kneecap. "Dislocation" comes from the Latin "dislocare," which means "to put out of place."
Definition
Patellar dislocation occurs when the patella moves out of its groove on the femur, usually to the outside of the knee. This can happen as a result of a sudden change in direction when the foot is planted on the ground, a direct blow to the knee, or due to a congenital abnormality.
Symptoms
Symptoms of patellar dislocation include pain and swelling in the knee, inability to straighten the knee, and a visible deformity where the kneecap has moved out of place.
Treatment
Treatment for patellar dislocation often involves reducing the dislocation, which means moving the kneecap back into place. This is usually followed by immobilization of the knee, physical therapy, and in some cases, surgery.
Related Terms
External links
- Medical encyclopedia article on Patellar dislocation
- Wikipedia's article - Patellar dislocation
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