Dosimetry for IMRT
Dosimetry for IMRT
Dosimetry for IMRT
- TAGS
- dosimetry
- imrt
- www.aapm.org
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Problems with Conventional Output<br />
Factors<br />
Standard Reference<br />
Conditions<br />
Small Field<br />
Conditions<br />
• Small field<br />
openings p g obscure<br />
the source which is<br />
difficult to measure<br />
and error prone.<br />
• Amount of phantom<br />
scatter changes as<br />
well as lateral<br />
disequilibrium<br />
disequilibrium.<br />
• Partial volume<br />
effects can mask<br />
machine output<br />
factor.