采用径向采集的逐点编码时间缩短（PETRA）磁共振序列评估膝关节内部紊乱的临床价值
Clinical value of pointwise encoding time reduction with radial acquisition (PETRA) MR sequence in assessing internal derangement of knee.
作者信息
Kim Sung Kwan, Kim Donghyun, Lee Sun Joo, Choo Hye Jung, Oh Minkyung, Son Yohan, Paek MunYoung
机构信息
Department of Radiology, Inje University College of Medicine, Busan Paik Hospital, Busan, Republic of Korea; Center for Fishermen's Safety & Health, Inje University College of Medicine, Busan Paik Hospital, Busan, Republic of Korea.
Department of Radiology, Inje University College of Medicine, Busan Paik Hospital, Busan, Republic of Korea.
出版信息
Clin Imaging. 2018 Sep-Oct;51:260-265. doi: 10.1016/j.clinimag.2018.05.022. Epub 2018 Jun 1.
PURPOSE
The purpose was to evaluate the clinical value of PETRA sequence for the diagnosis of internal derangement of the knee.
MATERIALS AND METHODS
The major structures of the knee in 34 patients were evaluated and compared among conventional MRI findings, PETRA images, and arthroscopic findings.
RESULTS
The specificities of PETRA with 2D FSE sequence were higher for meniscal lesions than those obtained when using 2D FSE alone.
CONCLUSION
Using PETRA images along with conventional 2D FSE images can increase the accuracy of assessing internal derangements of the knee and, specifically, meniscal lesions.
目的
评估PETRA序列在诊断膝关节内部紊乱方面的临床价值。
材料与方法
对34例患者膝关节的主要结构进行评估，并在传统MRI表现、PETRA图像和关节镜检查结果之间进行比较。
结果
PETRA与二维快速自旋回波（2D FSE）序列相比，在半月板损伤方面的特异性高于单独使用2D FSE时。
结论
将PETRA图像与传统的2D FSE图像结合使用，可以提高评估膝关节内部紊乱，特别是半月板损伤的准确性。
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