Current clinical protocols for bone treatments rely on
measurement of the temperature change of adjacent muscle to estimate the
temperature of the bone. In this study we have demonstrated for the first time
that T2-based thermometry can be used in vivo to measure the heating in the
marrow during bone ablation. The ability to monitor the temperature within the
bone marrow allowed visualization of the heat penetration into the bone, which
is important for local lesion control and treatment of osteoid osteomas.