Abstract #0231

Targeted Rapid Knee MRI Exam using T2 Shuffling

Jonathan I Tamir¹, Michael Lustig¹, Valentina Taviani², Marcus T Alley³, Becki Perkins³, Lori Hart³, Darla Mortensen³, and Shreyas S Vasanawala³

¹Electrical Engineering and Computer Sciences, University of California, Berkeley, Berkeley, CA, United States, ²MR Applications and Workflow, GE Healthcare, Menlo Park, CA, United States, ³Radiology, Stanford University, CA, United States

We investigate the effectiveness of a targeted rapid pediatric knee MRI exam with total exam time of about 10 minutes. We aim to enable same-day MRI access, accommodating the abbreviated protocol between other scheduled patients. The protocol is based on T2 Shuffling, a four-dimensional acquisition that permits volumetric reconstruction of images with variable T2-contrast. Preliminary data for ten subjects referred for the targeted knee MRI exam is presented. Mean time from registration to exam completion averaged 48.5 minutes, with one outlier of 269 minutes due to technologist error in documentation.

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