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T2-based temperature monitoring in trabecular bone marrow for MRgHIFU
Abstract
Current clinical protocols for HIFU treatment of painful bone metastases rely on measurement of temperature change of adjacent muscle to estimate the temperature of the bone. In this study, we investigated if T2-based temperature mapping could be used to determine the temperature within ex vivo trabecular bone during HIFU ablation. We have shown that T2-based ablation monitoring in the red marrow in trabecular bone is feasible. The linear relationship between T2 change and temperature could be used to quantify the temperature during heating of up to 60°C.
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