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

Wu Tao | Zendy; Kendell Kurtis R. | Zendy; Felmlee Joel P. | Zendy; Lewis Bradley D. | Zendy; Ehman Richard L. | Zendy

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

Author(s) -

Wu Tao,

Kendell Kurtis R.,

Felmlee Joel P.,

Lewis Bradley D.,

Ehman Richard L.

Publication year - 2000

Publication title -

medical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.473

H-Index - 180

eISSN - 2473-4209

pISSN - 0094-2405

DOI - 10.1118/1.598864

Subject(s) - calibration , reliability (semiconductor) , proton therapy , ablation , materials science , proton , ultrasound , medical physics , nuclear medicine , biomedical engineering , nuclear magnetic resonance , medicine , radiology , physics , nuclear physics , mathematics , statistics , power (physics) , quantum mechanics

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 / ° 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 / ° C .

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