Magnetic Resonance Imaging(MRI) in the Diagnosis of Ligamentous and Meniscal Tears of the Knee. Correlation with Arthroscopic Finding.:Correlation with Arthroscopic Finding

概要

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37 knee joints of 37 patients suspected as having cruciate ligamentous or meniscal tears were evaluated with magnetic resonance imaging (MRI) and arthroscopy. For ACL tears, sensitivity of MRI compared with arthroscopy was 100%, specificity was 92% and accuracy was 94.6%. For PCL tears, the results were 100%, 100%, and 100% respechvely. For medial meniscus tears, 87.5%, 93.1% and 91.9%. For lateral meniscus, 85.7%, 100% and 97.3%. Almost all results were satisfactory but a few cases had false positive and false negative findings on MRI. The cause of diagnostic pitfalls using MRI were MRI artifactsunder or over reading by radiologist, and inability to visualize with arthroscopy.
西日本整形・災害外科学会の論文