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Abstract #1726

Feasibility of pTx 1H MRI and single transmit 31P MRSI of the prostate at 7T

Quincy van Houtum1,2, Oliver Kraff2, Markus W. May1,2, Harald H. Quick1,2, and Tom W.J. Scheenen2,3
1High-Field and Hybrid MR Imaging, University Hospital Essen, Essen, Germany, 2Erwin. L. Hahn Institute, University Duisburg, Essen, Germany, 3Medical Imaging, Radboud University Medical Centre, Nijmegen, Netherlands

Synopsis

Keywords: Prostate, High-Field MRI, body, prostate, X-nuclei spectroscopy, parallel imaging

Motivation: In vivo X-nuclei MRSI in parallel with high-resolution MRI is challenging in body-oriented applications at 7T. Short proton wavelengths complicate large FOV RF excitation, and low 31P sensitivity demanded endorectal-coil solutions for prostate 31P-MRSI, decreasing patient comfort.

Goal(s): pTx MRI and localized sTx 31P-MRS in a single scan session in high BMI volunteers without using endorectal coils or antennas.

Approach: We employ a 31P/1H body-array coil designed for body-applications to image the prostate and acquire 31P-MRSI in a single scan-session without use of an endorectal coil.

Results: The setup allows high-resolution T2-weighted and homogeneous T1-weighted imaging plus localized 3D 31P-MRSI in the prostate.

Impact: 31P-MRSI of the prostate as a possible aid in prostate cancer characterization becomes within reach without the use of an endorectal coil.

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