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Abstract #1817

Dual-Echo Sequence for MR Thermometry in Moving Objects

Bruno Madore1, Lawrence P. Panych1, Chang-Sheng Mei1,2, Renxin Chu1

1Radiology Department, Brigham and Women's Hospital, Harvard Medical School , Boston, MA, United States; 2Department of Physics, Boston College, Chestnut Hill, MA, United States

An MR thermometry dual-echo sequence is proposed here that offers advantages both in terms of temperature-to-noise ratio and image contrast, as compared to typically-used sequences. For thermometry in moving organs, the contrast properties of the proposed sequence allow blood vessels to be readily detected, for motion tracking purposes.