Abstract #5147

Can 5-Minute 3D Isotropic Turbo Spin-Echo MR Imaging Replace 2D Standard Knee MR Imaging at 3T?

Seung hee Han ¹, Na Hye Han¹, Won-Hee Jee², Joon-Yong Jung², Jun-Pyo Myoung³, Yoonho Nam¹, Young In⁴, and Won-Hee Jee⁵

¹Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, ²Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seocho-gu, Republic of Korea, ³Occupational and environmental medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seocho-gu, Republic of Korea, ⁴Orthopedic surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, ⁵Radiology, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea

2D TSE intermediate(IM) or T2-weighted images have been traditionally used to evaluate internal derangements of knee. However partial volume effect due to relatively thick image section and gap and long acquisition time due to impossible reformation is limitation of standard 2D TSE technique. Newly developed 3D isotropic T2 or IM weighted image is made by isotropic voxel data, which allows 3D reformation and reduce acquisition time. The purpose of this study is to compare the image quality and diagnostic performance of 5-minute sagittal fat-suppressed 3D isotropic turbo spin-echo sequence (MSK VIEW) and 2D standard knee magnetic resonance (MR) imaging at 3T.

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