Patellar Dislocation

Question 1

cause

Answer 1

sudden blow or twist of the knee

Question 2

where does the patella move to?

Answer 2

laterally, but can reduce when the knee is straightened

Question 3

diagnosis

Answer 3

XR small opacification if patella strikes lateral femoral condyle
lipo-hemarthrosis

Question 4

management

Answer 4

rarely requires manual manipulation into position
risk of recurrent instability
physiotherapy to strengthen quads