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Fat-suppressed volume isotropic turbo spin echo acquisition (VISTA) MR imaging in evaluating radial and root tears of the meniscus: Focusing on reader-defined axial reconstruction

Authors
 Daekeon Lim  ;  Young Han Lee  ;  Sungjun Kim  ;  Ho-Taek Song  ;  Jin-Suck Suh 
Citation
 European Journal of Radiology, Vol.82(12) : 2296-2302, 2013 
Journal Title
 European Journal of Radiology 
ISSN
 0720-048X 
Issue Date
2013
Abstract
OBJECTIVE: To assess the diagnostic value of fat-suppressed (FS) three-dimensional (3D) volume isotropic turbo spin echo acquisition (VISTA) imaging in detecting radial and root tears of the meniscus, including the reader-defined reformatted axial (RDA) plane. MATERIALS AND METHODS: Twenty-three patients with arthroscopically confirmed radial or root tears of the meniscus underwent magnetic resonance imaging (MRI) with 2D and FS 3D VISTA sequences. MRIs were reviewed independently by two musculoskeletal radiologists blinded to the arthroscopic findings. Sensitivity, specificity, accuracy, and interobserver agreement were calculated for radial and root tears. Both radiologists reported confidence scale for the presence of meniscal tears in 2D axial imaging, 3D axial imaging, and RDA imaging, based on a five-point scale. Wilcoxon's signed rank test was used to compare confidence scale. RESULTS: The sensitivity, specificity, and accuracy of FS 3D VISTA MR imaging versus 2D MR imaging were as follows: 96%, 96%, and 96% versus 91%, 91%, and 91%, respectively in reader 1, and 96%, 96%, and 96% versus 83%, 91%, and 87%, respectively, in reader 2. Interobserver agreement for detecting meniscal tears was excellent (κ=1) with FS 3D VISTA. The confidence scale was significantly higher for 3D axial images than 2D imaging (p=0.03) and significantly higher in RDA images than 3D axial image in detecting radial and root tears. CONCLUSIONS: FS 3D VISTA had a better diagnostic performance in evaluating radial and root tears of the meniscus. The reader-defined reformatted axial plane obtained from FS 3D VISTA MR imaging is useful in detecting radial and root tears of the meniscus.
Full Text
http://www.sciencedirect.com/science/article/pii/S0720048X13004129
DOI
10.1016/j.ejrad.2013.08.013
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sungjun(김성준) ORCID logo https://orcid.org/0000-0002-7876-7901
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Song, Ho Taek(송호택) ORCID logo https://orcid.org/0000-0002-6655-2575
Lee, Young Han(이영한) ORCID logo https://orcid.org/0000-0002-5602-391X
Lim, Dae Keon(임대건)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88788
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