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Tissue temperature field dynamics from MRI during radiofrequency ablation

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4 Author(s)
P. C. Johnson ; Dept. of Biomed. Eng., Case Western Reserve Univ., Cleveland, OH, USA ; Y. C. Chung ; J. L. Duerk ; G. M. Saidel

Interventional magnetic resonance imaging provides an image-guided, minimally invasive method for eliminating cancerous tumors. When a small diameter RF probe is inserted into a solid tumor, the RF-generated heat produces a sufficiently high tissue temperature to kill cells. It is essential to obtain reliable temperature distributions every minute from non-invasive MR scans under a variety of conditions with different power inputs and positioning of the RF probe. The results show that the method of obtaining the dynamic temperature fields is feasible. This is expected to allow the clinician to view the thermal changes associated with ablation during a procedure

Published in:

[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint  (Volume:2 )

Date of Conference:

Oct 1999