Abstract #0359

3D UTE Cones Double Echo Steady State Imaging – a New Approach for High Resolution Morphological and Quantitative Evaluation of Short T2 Tissues

Hyungseok Jang¹, Michael Carl², Yajun Ma¹, Mei Wu¹, Zhao Wei¹, Saeed Jerban¹, Eric Chang^1,3, and Jiang Du¹

¹University of California, San Diego, San Diego, CA, United States, ²GE Healthcare, La Jolla, CA, United States, ³VA San Diego Healthcare System, San Diego, CA, United States

Double echo steady state (DESS) imaging allows acquisition of two MR images with different contrasts from FID and echo images. In this study, we explored the feasibility and efficacy of 3D UTE Cones-based DESS (3D UTE-Cones-DESS) imaging of short T2 tissues in the knee joint. In ex vivo study of four cadaveric knees and in vivo study of three healthy volunteers, the UTE-Cones-DESS sequence provided high contrast imaging of the osteochondral junction (OCJ), the menisci, and other short T2 tissues, as well as T2 maps, under a total scan time of three minutes.

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