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MINERVA ORTOPEDICA E TRAUMATOLOGICA
A Journal on Orthopedics and Traumatology
REVIEWS KNEE ARTHROPLASTY
Minerva Ortopedica e Traumatologica 2004 August;55(4):105-11
The unstable patella in total knee arthroplasty
Cyran L. T., Vince K. G.
Keck School of Medicine University of Southern California Los Angeles, CA, USA
Patellar maltracking is a serious complication following total knee arthroplasty and can be responsible for premature wear of the patellar component, vertical patellar fracture, patellar and knee dislocation as well as patellar component loosening. The most common cause of maltracking is internal rotation of the femoral or tibial component which can be evaluated by computed tomography.