Table 1.
The protocol differed slightly between the different vendors (Philips Healthcare, Best, the Netherlands and General Electrics, Milwaukee, Wis). Imaging was performed before the start of treatment and after completing radiotherapy. One institution used intravaginal gel (Fig. 2b)
| Scanner (3 Tesla) | GE scanner (centre 1) | Philips scanner (centres 2 and 3) | |
|---|---|---|---|
| Patients included | 85 | 22 | |
| T2-weighting (2D) | TR/TE (ms/ms) | 9436/81 | 4571/80 |
| Scan plane | 3 directions | 3 directions | |
| Flip angle (grades) | 120 | 90 | |
| Matrix size | 320 × 320 | 344× 285 | |
| Bandwidth (kHz) | 125 | 125 | |
| Field view | 24 | 24 | |
| Number of excitations | 2 | 1 | |
| Slice thickness (mm) | 4 | 4 | |
| Gap | 0.4 | 0.4 | |
| DWI (2D) | Gradient | 3 directions | 3 directions |
| Scan plane | Axial | Axial | |
| b values | 0–50–100–500–750–1000 | 0–50–100–500–750–1000 | |
| Bandwidth (kHz) | 125 | 125 | |
| Slice thickness (mm) | 4 | 4 |