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Online Books > Clinical implementation of intensity-modulated radiotherapy using a dynamic multi-leaf collimator
Time summary
| Task | IMRT | 3DCRT | Performed by |
| Immobilization | 30 min. | 30 min. | Therapists |
| CT simulation | 20 min. | 20 min. | Therapists |
| Target volumes created | 60 min. | 60 min. | Physician |
| Critical structures created | 30 min. | 30 min. | Physics |
| Transfer images | 10 min. | 10 min. | Physics |
| Establish planning goals | 15 min. | 15 min. | Physician and physics |
| Import images | 10 min. | 10 min. | Physics |
| Locate isocenter | 2 min. | 2 min. | Physics |
| Import volumes | 5 min. | 5 min. | Physics |
| Enter planning goals | 10 min. | - 0 - | Physics |
| Enter other planning data | 6.5 min. | - 0 - | Physics |
| Inverse planning | - 0 - | - 0 - | - |
| Forward planning | - 0 - | 0.3-2 hrs. | Physics |
| IM plan review and approval | variable | variable | Physician and Physics |
| Create AP and lateral DRRs | 10 min. | 10 min. | Physics |
| Create DRR for each 3DCRT field | - 0 - | 15 min. | Physics |
| VARiS preparation | 15 min. | 15 min. | Physics |
| Chart check before treatment | 10 min. | 10 min. | Physics |
| Fluence map and dose verification | 60 min. | - 0 - | Physics |
| First day of treatment | 30 min. | 30 min. | Therapists |
| Other treatment days (time / fraction) | 15 min. | 15-30 min. | Therapists |
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