Reliability of water proton chemical shift temperature calibration for focused ultrasound ablation therapy.

Abstract:

:Our purpose in this work was to assess the reliability of the calibration coefficient for magnetic resonance water proton chemical shift temperature mapping. Over a six month period, the calibration coefficient was measured 15 times in several different phantoms. A highly linear relationship between water proton chemical shift and temperature change was found. The average temperature calibration coefficient determined from all studies was 0.009+/-0.001 ppm/degrees C. Four of the 15 studies were conducted on the same day using the same phantom. The average temperature calibration coefficient of these four studies was 0.0096+/-0.0001 ppm/degrees C.

journal_name

Med Phys

journal_title

Medical physics

authors

Wu T,Kendell KR,Felmlee JP,Lewis BD,Ehman RL

doi

10.1118/1.598864

subject

Has Abstract

pub_date

2000-01-01 00:00:00

pages

221-4

issue

1

eissn

0094-2405

issn

2473-4209

journal_volume

27

pub_type

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