| UHW | UPMC | UofT | UVAMC | RSMC |
---|---|---|---|---|---|
Treatment planning system | Pinnacle | Pinnacle | Pinnacle | Varian Eclipse, Tomotherapy, Pinnacle for Elekta | 1. Elekta/CMS XiO, 2. Elekta/CMS Monaco |
Linac model/MLC leaf width | Elekta Synergy S/4 mm | Synergy S/4 mm | Elekta Synergy S/4 mm | Elekta Synergy S, Varian Triliogy, Tomotherapy | Elekta Synergy S/4 mm |
IMRT or VMAT treatment planning | Both | IMRT | Both | VMAT | Both |
If step-and-shoot IMRT: number of beams | 9 beams on average | 9 to 14, but most are 12 beams | 9 - 11 beams | 10 beams | 10 beams |
If VMAT: number of arcs | 1-2 arcs | Not applicable | 1 arc | 1-3 arcs | 1. one arc 120-140 segments 2. VMAT - 4 arcs - 30-40 segments per arc |
Full or partial VMAT arc | 360 degrees | 360 degrees | 360 degrees | 360 degree arcs | 1. VMAT 350 deg arc 2. VMAT posteriorly biased arcs, 2 couch kicks |
Photon energy | 6 or 10 mV depending on location | 6 MV | 6 MV | 6 MV | 6 MV |
Dosimetric parameters for plan acceptance | No strict acceptance criteria. | Usually V90 | CTV V80 of at least 80-90% | No strict acceptance criteria | Generally D90 |