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.
Dose D Ratio<br />
Dosse<br />
Impact of Source Occlusion <strong>for</strong> Variable<br />
Jaw Widths<br />
20<br />
18<br />
16<br />
14<br />
12<br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
Dashed line is<br />
expected<br />
result <strong>for</strong> a<br />
point source<br />
t dWater Tank Dose Ratios<br />
0 1 2 3 4 5<br />
Measured Field Width, FW (cm)<br />
Measured Field Width, FW (cm)<br />
Mainly Due to Source Obscuration<br />
• Only the field<br />
width, FW <strong>for</strong><br />
each<br />
measurement<br />
was altered.<br />
• The scan distance<br />
(10 cm) and scan<br />
velocity were<br />
identical.
Change language