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Abstract #4837

Evaluation of a Ultra High Dielectric Constant (uHDC) Package for Enhanced Cervical Spine Imaging

Christopher Sica 1 , Sebastian Rupprecht 1 , Wei Luo 2 , Jeff Vesek 3 , Raffi Sahul 4 , Seongtae Kwon 4 , Michael Lanagan 2 , Dan Nguyen 3 , and Qing Yang 1

1 Radiology, Penn State College of Medicine, Hershey, Pennsylvania, United States, 2 Engineering Science and Mechanics, Penn State University, Pennsylvania, United States, 3 Radiology, Hershey Medical Center, Hershey, Pennsylvania, United States, 4 TRS Technologies, State College, Pennsylvania, United States

Previously, we explored the use of dielectric pads containing water and barium titanate beads to enhance imaging of the cervical spine. One drawback to that approach was the volume of dielectric required for enhancement. In this work, we quantify the performance of a ultra high dielectric constant (uHDC) package containing monolithic blocks of relative permittivity ~800. This package is reduced in volume relative to our previous configuration. SNR gains of 20 40% were observed on discs C1 C4. Gains of about 10% were found on C5, and a slight loss on C6. Average reduction of system power was 64.18%.

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