|
The volumes of original and simulated PTVs in this study (cm3) |
|||
| Target number |
PTVreal |
PTVpre |
Volume reduction from PTVpre to PTVreal (%) |
|
|
|||
| 1 |
15.6 |
26.4 |
40.9% |
| 2 |
94.7 |
168.6 |
43.8% |
| 3 |
82.5 |
126.2 |
34.6% |
| 4 |
89.3 |
150.6 |
40.7% |
| 5 |
72.6 |
116.4 |
37.6% |
| 6 |
18.9 |
37.2 |
49.2% |
| 7 |
108.4 |
204.3 |
46.9% |
| 8 |
91.2 |
155.8 |
41.4% |
| 9 |
112.3 |
221.2 |
49.2% |
| 10 |
85.9 |
130.6 |
34.2% |
| Average |
77.1 |
133.7 |
42.3% |
|
PTVreal: actual PTV in the original IMRT plans; PTVpre: simulated PTV based on the theoretic margins in three axes without online set-up correction. | |||
Gong et al. Radiation Oncology 2008 3:11 doi:10.1186/1748-717X-3-11 |
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