Abstract #0347

Diagnostic Comparison of Two Rapid Knee MRI Protocols for Comprehensive Whole-Joint Assessment: A Multi-Reader Feasibility Study

Akshay S Chaudhari¹, Bragi Sveinsson², Jeff P Wood¹, Kathryn J Stevens¹, Christopher F Beaulieu¹, Edwin H Oei³, Jarrett Rosenberg¹, Evan G Levine¹, Feliks Kogan¹, Marcus T Alley¹, Garry E Gold¹, and Brian A Hargreaves¹

¹Radiology, Stanford University, Palo Alto, CA, United States, ²Harvard Medical School, Stanford, MA, United States, ³Radiology & Nuclear Medicine, Erasmus Medical Center, Rotterdam, Netherlands

There were approximately 1.25 million clinical knee magnetic resonance imaging (MRI) scans performed in the US annually. Most knee MRI protocols require approximately 30 minutes of scan time. However, there is interest in expedited imaging protocols, especially under the ISMRM Value Initiative. Through a study involving 35 patients and 5 readers, we have demonstrated the feasibility of (1) a single 5-minute DESS sequence and (2) a 5-minute DESS sequence paired with a 2-minute coronal PDFS sequence, as two potential methods for accurate, rapid, and comprehensive diagnostic whole-joint knee MRI.

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