Abstract
Introduction: Anterior cruciate ligament (ACL) is the most common ligament injured in the knee and its major portion attributed to contact sports. This study aims to reveal the correlation between clinical examination, magnetic resonance imaging (MRI) evaluation, and arthroscopic findings in ACL injury with the consideration of arthroscopic findings as the gold standard among them. Materials and Methods: A prospective double blinded study conducted in 161 patients attended sports injury clinic from September 2020 to September 2022. Patient selection done with well defined inclusion and exclusion criteria. All selected patients were underwent clinical examination, MRI evaluation and arthroscopic procedure. Results: The sensitivity of clinical examination and MRI evaluation for ACL injury was the same (94.9%), while specificity were 72.1 and 79.1%, respectively. Positive and negative predictive value of clinical examination was 90.3% and 83.8%, were as for MRI evaluation, it was 92.6% and 85.0%. The accuracy of MRI evaluation and clinical examination were 90.7% and 88.8%, respectively. Conclusion: A methodically performed clinical examination is equivocal to MRI evaluation in isolated ACL injury and MRI evaluation can be useful to clarify the diagnosis in doubtful clinical scenarios.
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