Table 3.
Comparison of the anatomical sequences. ++ very good, + good, +− sufficient, − insufficient, RD—retinal detachment.
| Evaluated Parameters | Isotropic Sequences | 2D Sequences Perpendicular to the Tumor—MS 2 mm | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T2-Weighted | T1-Weighted Before Contrast | T1-Weighted After Contrast | ||||||||||
| MS TSE | 3D TSE SPIR | MS TSE | MS TSE SPIR | 3D TSE | 3D TFE | MS TSE SPIR | 3D TSE SPIR | 3D TFE PROSET | MS T2 | MS T1 | MS T1 SPIR Gd | |
| In-plane image quality | ||||||||||||
| General image quality | ++ | + | + | + | +− | +− | + | +− | + | + | + | ++ |
| Contrast | + | ++ | +− | + | +− | + | ++ | + | ++ | ++ | + | ++ |
| Outer limit of sclera | ++ | + | + | + | + | − | + | + | − | ++ | ++ | + |
| Outer limits of tumor | +− | +− | + | + | +− | − | ++ | + | − | + | + | + |
| Differentiate tumor vs RD | ++ | ++ | + | ++ | ||||||||
| 3D analysis | ||||||||||||
| Geometrical accuracy | ||||||||||||
| Good of complete eye | 75% | 78% | 44% | 44% | 77% | 100% | 50% | 88% | 100% | |||
| Small local artefacts | 25% | 22% | 33% | 55% | 11% | 0% | 25% | 13% | 0% | |||
| Not usable | 0% | 0% | 22% | 0% | 11% | 0% | 25% | 0% | 0% | |||
| Outer limit of sclera | ++ | + | +− | +− | + | − | +− | + | − | |||