J B Van de Kamer et al 2001 Phys. Med. Biol. 46 183 doi:10.1088/0031-9155/46/1/313
High-resolution SAR modelling for regional hyperthermia: testing quasistatic zooming at 10 MHz
J B Van de Kamer, J J W Lagendijk, A A C De Leeuw and H Kroeze
Show affiliations Present-day regional hyperthermia treatment planning systems are limited to centimetre resolution. To obtain CT-resolution SAR distributions, a method called quasistatic zooming has been developed: using the centimetre-resolution 
-field distribution and the CT-resolution tomogram, the CT-resolution SAR distribution is obtained. For a low frequency of 10 MHz this method has been validated sucessfully using CT-resolution SAR computations.
It appears that these CT-resolution SAR distributions are completely different from centimetre-resolution SAR distributions, indicating the necessity for high-resolution SAR modelling. Using the presented zooming technique, reliable CT-resolution SAR modelling is now possible with relatively short computation times. So far, the zooming method has only been validated for low frequencies, but clinically relevant frequencies appear to be possible.
- PACS
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87.50.wp Therapeutic applications
87.19.Pp Biothermics and thermal processes in biology
- Subjects
- Dates
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Issue 1 (January 2001)
Received 21 August 2000
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High-resolution SAR modelling for regional hyperthermia: testing quasistatic zooming at 10 MHz
J B Van de Kamer et al 2001 Phys. Med. Biol. 46 183
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