Real time in vivo measurement of temperature changes with NMR imaging
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United States of America Patent
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Jan 27, 1998
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N/A
app pub date -
Aug 16, 1995
filing date -
Aug 16, 1995
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Abstract
NMR images indicative of thermal changes in tissues undergoing therapy are produced using a gradient-recalled double-echo pulse sequence. A reference phase image is produced using a short echo time (TE.sub.1) and a measurement phase image is produced with a longer echo time (TE.sub.2). Temperature maps are produced during therapy using the phase difference information at corresponding pixels of the two phase images.
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