Meniscal tears of the knee: Accuracy of detection with fast spin-echo MR imaging and arthroscopic correlation in 293 patients

被引:83
作者
Cheung, LP [1 ]
Li, KCP [1 ]
Hollett, MD [1 ]
Bergman, AG [1 ]
Herfkens, RJ [1 ]
机构
[1] STANFORD UNIV,CTR MED,DEPT DIAGNOST RADIOL,STANFORD,CA 94305
关键词
knee; abnormalities; ligaments; menisci; and cartilage; MR; magnetic resonance (MR); pulse sequences;
D O I
10.1148/radiology.203.2.9114113
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
PURPOSE: To evaluate the accuracy of a magnetic resonance (MR) imaging strategy that uses primarily fast spin-echo (SE) sequences for the diagnosis of meniscal tears. MATERIALS AND METHODS: The original clinical interpretations of MR images in 293 patients who underwent imaging for suspected internal derangement of a knee joint were correlated with results from subsequent arthroscopy. MR examination included a double-echo fast SE sequence as the only imaging in the sagittal plane. RESULTS: The sensitivity and specificity for 143 confirmed tears of the medial meniscus were 89% and 84%, respectively, while the values for 96 confirmed tears of the lateral meniscus were 72% and 93%. These values are within the ranges of values recently reported for imaging strategies relying predominantly on conventional SE sequences. CONCLUSION: Fast SE imaging of the knee can be an alternative to conventional SE imaging for the detection of meniscal tears.
引用
收藏
页码:508 / 512
页数:5
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