Overview of MRI scanners, sequences in standard brain protocol, and number of patients receiving gadolinium-based contrast media
| MRI Scanner | Philips Ingenia | Siemens Symphony | Siemens Avanto |
|---|---|---|---|
| Field strength | 3T | 1.5T | 1.5T |
| Standard MRI brain protocol | T1 tra, T1 sag, T2 tra, T2 cor, FLAIR tra, DWI tra | T1 tra, T1 sag, T2 tra, T2 cor, FLAIR tra, DWI tra | T1 sag, T2 tra, FLAIR cor, SWI tra, DWI tra |
| Largest section thickness in any protocol | 5 mm | 5 mm | 5 mm |
| No. of scans with/without contrast media | 790/924 | 169/389 | |
Note:—Cor indicates coronal; sag, sagittal; tra, transversal.