Clinical, Magnetic Resonance Imaging, and Arthroscopic Correlation in Anterior Cruciate Ligament and Meniscal Injuries of the Knee

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Abstract

Background The aim of this study is to compare and correlate the clinical, magnetic resonance imaging (MRI), and arthroscopy findings in anterior cruciate ligament (ACL) and meniscal injuries of the knee. Methods This was a prospective study of 30 cases of ACL and meniscal injuries of the knee admitted between September 2014 and May 2016, who underwent clinical examination, MRI, and arthroscopy of the knee. Results In our study of 30 cases, there were 26 male and four female patients with age ranging from 18 years to 60 years, with most patients in between 21 years and 30 years. Clinical examination had sensitivity of 90.91%, specificity of 100%, and accuracy of 93.33% for ACL, sensitivity of 83.33%, specificity of 77.78%, and accuracy of 80% for medial meniscus, and sensitivity of 75%, specificity of 77.27%, and accuracy of 76.67% for lateral meniscus. MRI had sensitivity of 95.45%, specificity of 87.5%, and accuracy of 93.33% for ACL, sensitivity of 91.67%, specificity of 55.56%, and accuracy of 70% for medial meniscus, and sensitivity of 62.5%, specificity of 72.73%, and accuracy of 70% for lateral meniscus. Conclusion In conclusion, the present study supports that clinical diagnosis is of primary necessity, as the positive predictive value is high for all the lesions. MRI is an additional diagnosing tool for ligament and meniscal injuries of the knee. Routine use of MRI to confirm the diagnosis is not indicated, as the positive predictive value is low, but can be used to exclude pathology, as the negative predictive value is high for all the lesions.

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Patel, I., Chandru, V., Nekkanti, S., Renukarya, R., Reddy, V. V., & Gopalakrishna, S. V. (2018). Clinical, Magnetic Resonance Imaging, and Arthroscopic Correlation in Anterior Cruciate Ligament and Meniscal Injuries of the Knee. Journal of Orthopaedics, Trauma and Rehabilitation, 24, 52–56. https://doi.org/10.1016/j.jotr.2017.05.005

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