Table 4.
Characteristics of standard sequences in MRI rectal examinations – continuation [24]
| Philips | Siemens | General Electric | |
|---|---|---|---|
| (Turbo spin echo) | (Turbo spin echo) | (Fast spin echo XL) | |
| Repetition time (ms) | 5,362 | 6,590 | 5,100 |
| Echo time (ms) | 100 | 136 | 85 |
| No. of slices | 16 | 24 | 28 |
| Thickness/gap | 3/0.3 | 3 | 3 |
| Interleaved | Yes | Yes | No |
| Echo train length | 16 | 8 | 8 |
| Matrix in phase encoding | 256 | 256 | 256 |
| Matrix in frequency encoding | 256/90% | 256 | 256 |
| Phase encoding direction | Foot to head | Foot to head | Superior inferior |
| Field of view (mm) | 160 | 160 | 160 |
| Rectangular field of view | 100% | 100% | 160 |
| Foldover | Right to left | Right to left | No phase wrap |
| No. of acquisitions | 6 | 4 | 4 |
| Sat bands | None | Superior inferior | Superior inferior |
| Scan duration (min:s) | 7:35 | 7:36 | 8:40 |
| Other | No DRIVE | No DRIVE | Phase correct on |
| Prep phase auto | Prep phase auto | Flow camp on | |
| Tailored radiofrequency fast |