Table 1.
MRI-guided radiotherapy units
| MR dimensions | Radiation unit specifications | Location | Manufacturer/publication |
|---|---|---|---|
| 0.35-T whole-body scanner, 70-cm bore | Three-headed 60Co system; 5.5 Gy min−1 at isocentre | FDA-501(k) cleared. First installation at Washington University, St Louis, MO | 20 |
| 0.35-T whole-body scanner, 70-cm bore | Three-headed 60Co system; 5.5 Gy min−1 at isocentre | VU University Medical Center, Amsterdam, Netherlands | 20 |
| 0.35-T whole-body scanner, 70-cm bore | Three-headed 60Co system; 5.5 Gy min−1 at isocentre | Seoul National University Hospital, Seoul, Republic of Korea | 20 |
| 0.35-T whole-body scanner, 70-cm bore | Three-headed 60Co system; 5.5 Gy min−1 at isocentre | Sylvester Comprehensive Cancer Center, University of Miami, Coral Gables, FL | 20 |
| 0.35-T whole-body scanner, 70-cm bore | Three-headed 60Co system; 5.5 Gy min−1 at isocentre | University of California, Los Angeles, Los Angeles, CA | 20,22 |
| 0.35-T whole-body scanner, 70-cm bore | Three-headed 60Co system; 5.5 Gy min−1 at isocentre | University of Wisconsin Carbone Cancer Center, Madison, WI | 20 |
| 1.5-T MR scanner, 70-cm bore | Mobile MR scanner, 6-MV linac (IMRT, VMAT, CBCT) | Princess Margaret Hospital, Toronto, ON | IMRIS and Varian;25 |
| 1.5-T MR scanner (Philips Achieva®), 70-cm bore | 6-MV linac (Elekta) | University Medical Center Utrecht, Utrecht, Netherlands | Elekta and Philips Healthcare;15 |
| 1.5-T MR scanner (Philips Achieva), 70-cm bore | 6-MV linac (Elekta) | Sunnybrook Health Sciences Center, Toronto, ON (pending) | Elekta and Philips Healthcare |
| 1.5-T MR scanner (Philips Achieva), 70-cm bore | 6-MV linac (Elekta) | The Froedtert & Medical College of Wisconsin Cancer Center, Milwaukee, WI (pending) | Elekta and Philips Healthcare |
| 1.5-T MR scanner (Philips Achieva), 70-cm bore | 6-MV linac (Elekta) | Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands (pending) | Elekta and Philips Healthcare |
| 1.5-T MR scanner (Philips Achieva), 70-cm bore | 6-MV linac (Elekta) | Institute of Cancer Research, London, UK (pending) | Elekta and Philips Healthcare |
| 1.5-T MR scanner (Philips Achieva), 70-cm bore | 6-MV linac (Elekta) | The Christie NHS Foundation Trust, Manchester, UK (pending) | Elekta and Philips Healthcare |
| 1.5-T MR scanner (Philips Achieva), 70-cm bore | 6-MV linac (Elekta) | MD Anderson Cancer Center, Houston, TX | Elekta and Philips Healthcare |
| 0.6-T MR scanner, 60-cm bore | 6-MV linac | Prototype at Cross Cancer Institute, Edmonton, AB | Research System; 23 |
| 1-T MR scanner, 80-cm bore | 6-MV linac | Design study | 28 |
CBCT, cone beam CT; FDA, US Food and Drug Administration; IMRT, intensity-modulated radiation therapy; linac, linear accelerator; VMAT, volumetric modulated arc therapy.