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Abstract #4223

Rapid, High-Resolution, and Multi-Contrast Knee MRI of Short T 2 Tissues with Ultrashort TE Double-Echo Steady-State

Akshay S Chaudhari 1,2 , Catherine J Moran 2 , Emily J McWalter 2 , Garry E Gold 1,2 , and Brian A Hargreaves 1,2

1 Bioengineering, Stanford University, Palo Alto, California, United States, 2 Radiology, Stanford University, Palo Alto, California, United States

In this study, we have developed a multi-echo UTE-DESS pulse sequence. UTE-DESS offers rapid and high-resolution imaging of short T2 tissues with proton-density, T2, and diffusion contrasts, along with fat-water separation and a very high overall scan efficiency. We present our initial results of scanning the knees of healthy volunteers with multi-echo UTE-DESS. Our preliminary data shows that the contrasts generated by this sequence and its ability for fast imaging, makes the sequence potentially attractive for routine clinical study of the morphology of the connective tissues in the knee.

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