Table 1. MRI systems and contrast media.
| MRI unit | Contrast media | ||||||
|---|---|---|---|---|---|---|---|
| name | B [T] | Internally n = 223 | Externally n = 87 | name | c [mol/L] | Internally n = 223 | Externally n = 87 |
| S Avanto | 1.5 | 33 (14.8%) | 11 (12.6%) | MultiHance® | 0.5 | 173 (77.6%) | 0 (0.0%) |
| S Symphony | 1.5 | 150 (67.3%) | 13 (14.9%) | Magnevist® | 0.5 | 10 (4.5%) | 4 (4.6%) |
| S Aera | 1.5 | 3 (1.3%) | 5 (5.7%) | Dotarem® | 0.5 | 18 (8.1%) | 21 (24.1%) |
| S Biograph | 3 | 16 (7.2%) | 0 (0.0%) | Gadovist® | 1 | 12 (5.4%) | 34 (39.1%) |
| S Prisma Fit | 3 | 1 (0.4%) | 1 (1.1%) | Omniscan® | 1 (0.4%) | 0 (0.0%) | |
| S Trio Tim | 3 | 20 (9.0%) | 21 (24.1%) | Native | - | 0 (0.0%) | 1 (1.1%) |
| other | - | 0 (0.0%) | 36 (41.4%) | NA | NA | 9 (4.0%) | 26 (29.9%) |
Abbr.: S, Siemens; B, magnetic field strength; T, Tesla; intern, cranial MRI (cMRI) was performed at the German Cancer Research Center (DKFZ); extern, cMRI was performed at an institution other than the DKFZ; c, molar concentration.