MR Temperature Measurement

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MR Temperature Measurement

• Jun-Yu Guo
• Dennis L. Parker
• Robert B. Roemer

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Temperature distribution measurements in
two-dimensional NMR imaging
Parker DL, Smith V, Sheldon P, Crooks LE,
Fussell L. Med Phys (1983)
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Four Methods
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Comparison Table
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PRF Theory
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PRF Calibration
1 NaCl Solution 0.0098 4 agar
0.0103 White of boiled egg 0.0091
Chicken Muscle 0.0114
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PRF Thermal Coefficient
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Phase change
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Problem

• Field Drift
• Susceptibility
• Perfusion

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Drift Correction
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Susceptibility
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Suppression method
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Thank You!

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