Abstract
Objective To investigate the diagnostic value of MRI imaging on detecting knee joint injury. Methods MRI manifestations of knee joint injury in 410 cases were analyzed retrospectively. Of all patients, 72 cases underwent CT scan,380 cases underwent X-ray examinations and to compare the diagnostic value of the three methods in detecting knee joint injury. Results The positive rates of MRI, CT, X-ray in detecting knee joint injury were 99.02%(406/410), 71.83%(51/71), 30.00%(114/380) respectively. Knee joint injury manifested as bone contusion or bone contusion accompanied with bone fracture, joint effusion, meniscus injury, ligament injury, para-articular soft tissue injuries with MRI. The positive rate was significantly higher than that of CT and X-ray, the difference was statistical significance. Conclusions MRI not only play a peculiar and important role in the diagnosis of the knee joint injury with non-invasion or radiation, but also can largely make up for the disadvantage of CT and X-ray,and could be used routinely. Key words: Knee joint ; Injury ; MRI ; CT ; X-ray ;
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