Table 2.
Delivery parameter | Delivery Method | |||||
---|---|---|---|---|---|---|
IMXT- SAS |
IMXT- HT |
IMPT- DGThalf |
IMPT- DGTfull |
IMPT- SShalf |
IMPT- SSfull |
|
Beamlet/proton spot lateral width/FWHM at isocentre | 5 mm | 6.25 mm | 8 mm FWHM | 8 mm FWHM | 8 mm FWHM | 8 mm FWHM |
Number of beam angles | 9 | 51 | 25 | 51 | 5 | 9 |
Arc covered by beams (starting at 0°) | 360° | 360° | 180° | 360° | 180° | 360° |
Total number of beamlets/beam spots | 234 | 1020 | 1319 | 2656 | 4643 | 8366 |