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Abstract #5166

Cortical Bone Imaging Using Ultrashort Echo Time (UTE) Phase Sensitive Dual Inversion Recovery Subtraction Technique

Yajun Ma1, Wei Zhao1, Adam Searleman 1, Nikolaus M Szeverenyi1, Jiang Du1, and Graeme M Bydder1

1University of California, San Diego, San Diego, CA, United States

Imaging of cortical bone is of fundamental importance in clinical MR but signals are low even with ultrashort echo time (UTE) sequences and contamination with high signals from long T2 muscle and fat is a problem 1. Here we propose a new phase sensitive dual inversion recovery subtraction method to obtain pure cortical bone images with zero signal from surrounding long T2 muscle and fat.

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