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Abstract #4261

Zero TE bone imaging

Florian Wiesinger 1 , Laura Sacolick 2 , Sandeep Kaushik 3 , Sangtae Ahn 4 , Gaspar Delso 5 , and Dattesh Shanbhag 3

1 GE Global Research, Munich, Germany, 2 GE Healthcare, Munich, Germany, 3 GE Global Research, Bangalore, India, 4 GE Global Research, Niskayuna, NY, United States, 5 GE Healthcare, Zurich, Switzerland

In this abstract we investigate the feasibility of zero TE imaging for depiction of cortical bone structures in the head and pelvis. Proton density contrast in combination with logarithmic inverse scaling is used to highlight bone structures and differentiate them from soft tissues and background air. Different from prior art, no long T2 suppression methods (like echo subtraction or saturation prepulses) are required, rendering this method fast, robust and effective. In-vivo volunteer experiments indicate excellent 3D cortical bone depiction as required for instance for PET/MR attenuation correction and MR-based radiation therapy planning.

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