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Abstract #1405

Comparison of MAPSS- vs UTE-based T1rho Sequences in the Knee

Michael Carl1, Dina Moazamian2, Alecio F. Lombardi2, Amir Masoud Afsahi2, Yajun Ma2, and Jiang Du2
1GE Healthcare, San Diego, CA, United States, 2UCSD, San Diego, CA, United States


We compared two different T1rho sequence approaches and assessed their performance for quantitative musculoskeletal imaging. We found that using either a MAPSS or UTE acquisition after T1rho preparation resulted in similar T1rho decay values for tissues of moderate to long T2s (e.g., cartilage or meniscus). The UTE acquisition sequence, however, was also readily able to obtain T1rho decay values for tissues with short T2s (e.g., tendons), thereby facilitating whole knee assessment.

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