Exposure duration: 400 sec
Microwave antenna was impanted in the brain in order to cause local heating. Power was 30 to 100 W ('Power density' and '65' 'W/cm²' (see above) entered because correct input type not supported by dialog mask). Due to power loss through the conduction pas
|Distance between exposed object and exposure source||0 m|
|Setup||Antenna was inserted into the cerebral hemisphere through the first burrhole.|
|Additional info||the head of the animal were immobilized in an MR compatible acrylic frame and three burrholes (2.5 mm) were drilled.|
No parameters are specified for this exposure.
MRI can be accomplished during interstitial microwave heating with minimal image degradation from the in situ antenna. Near-real-time temperature-related signal changes can be observed on the MR images. The phase changes correlate closely with local tissue temperature modifications. Given these attributes of MRI to monitor temperature changes within a target volume, further development of this technique may improve control of thermal ablation. Accurate data concerning the thermal dose-response curve is still required and is not available from the current pilot study.