Dosimetry for IMRT
Dosimetry for IMRT
Dosimetry for IMRT
- TAGS
- dosimetry
- imrt
- www.aapm.org
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Dose<br />
Computed<br />
Dose Accuracy and Distance to<br />
Agreement<br />
Dose accuracy <strong>for</strong> low gradients<br />
� �<br />
� ( , ) � ( ) � ( ) /<br />
r r Dr Dr D m c m c 50%<br />
Measured<br />
rr ( , r)�r � r<br />
m c m c<br />
Low gradients < 20%/cm<br />
Distance to agreement<br />
<strong>for</strong> high gradients<br />
Radius