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The Value of Ultrasonography in the Detection of Meniscal Tears Diagnosed by Magnetic Resonance Imaging

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Author(s)
Gi-Young ParkJong-Min KimSung-Moon LeeMichael Y. Lee
Publication Year
2008
Abstract
Park G-Y, Kim J-M, Lee S-M, Lee MY: The value of ultrasonography in the detection of meniscal tears diagnosed by magnetic resonance imaging. Am J Phys Med Rehabil 2008;87:14–20.



Objective: To evaluate the diagnostic value of ultrasonography in meniscal tears that were diagnosed by magnetic resonance imaging (MRI).



Design: Twenty-seven knees with meniscal tears and 14 knees without tears on MRI were prospectively evaluated. A radiologist performed the ultrasonography and evaluated the presence and locations of the meniscal tears. MRI was used as the reference standard.



Results: Twenty-nine menisci with tears and 53 menisci without tears were identified by MRI. Twenty-two tears were in the medial menisci, and seven tears were in the lateral menisci. In the 29 meniscal tears, the ultrasonographic diagnosis was correct in 25 (86.2%) and incorrect in 4 (13.8%) menisci. In the 53 menisci without tears, the ultrasonographic diagnosis was correct in 45 (84.9%) and incorrect in 8 (15.1%) menisci. Ultrasonography showed a sensitivity, specificity, accuracy, and positive and negative predictive values for meniscal tears of 86.2%, 84.9%, 85.4%, 75.8%, and 91.8%, respectively. Of the four intracapsular injuries observed by MRI in injured knees, an osteochondritis dessecans was only observed by ultrasonography.



Conclusions: Ultrasonography is an accurate imaging study for diagnosing meniscal tears. The results correlated with those obtained by MRI; this suggests that ultrasonography can be a useful imaging modality in uninjured knees.
Department
Dept. of Radiology (영상의학)
Dept. of Rehabilitation Medicine (재활의학)
Publisher
School of Medicine
Citation
American Journal of Physical Medicine, Vol.87(1) : 14-20, 2008
Type
Article
ISSN
0894-9115
DOI
10.1097/PHM.0b013e31815e643a
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/34939
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