Abstract #2213

Utility of Residual Water in Proton MR Spectroscopy. The Measurement of Voxel Temperature and Hypoxia

Ralph E. Hurd¹, Meng Gu¹, Phil Adamson², Kirk Riemer³, Ryan Beckman³, Michael Ma³, Kenichi Okamura³, Frank Hanley³, and Daniel Spielman¹

¹Radiology, Stanford, Stanford, CA, United States, ²Electrical Engineering, Stanford, Stanford, CA, United States, ³Cardiothoracic Surgery, Stanford, Stanford, CA, United States

The basic mantra for in vivo MR spectroscopy is to look beyond the dominant water and lipid signals. Although water is very well characterized by MRI, partially suppressed water can provide unique information in proton MR spectra. In the results presented, residual water-by-design strategy is demonstrated to extend beyond use as a reference. For the protocol described, water derived measurements of temperature and hypoxia, add critical value at no compromise.

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