Table 3. Neuroradiological ratings of tumor depiction, cranial nerves, and internal carotid artery branches as well as Knosp's scores.
| 7 T ( n = 18) | Clinical MRI ( n = 18) | p -value | 7 T ( n = 7) | 3 T ( n = 7) | p -value | 7 T ( n = 11) | 1.5 T ( n = 11) | p -value | |
|---|---|---|---|---|---|---|---|---|---|
| Depiction of tumor | |||||||||
| Tumor extension through bone | 2.94 | 3.22 | 0.54 | 2.57 | 3.14 | 1.0 | 3.18 | 3.27 | 1.0 |
| Optic chiasm compression | 3.89 | 3.56 | 0.53 | 3.86 | 3.86 | 1.0 | 3.91 | 3.36 | 0.63 |
| Cystic/necrotic/hemorrhagic component | 3.33 | 2.94 | 0.54 | 3.14 | 3.0 | 1.0 | 3.45 | 2.91 | 0.63 |
| Tumor vasculature | 1.88 | 1.61 | 0.54 | 1.83 | 1.57 | 1.0 | 1.91 | 1.64 | 0.85 |
| R-medial cavernous sinus wall invasion | 3.29 | 3.11 | 0.5 | 3.0 | 2.86 | 1.0 | 3.45 | 3.27 | 0.92 |
| L-medial cavernous sinus wall invasion | 3.35 | 3.0 | 0.54 | 3.17 | 2.71 | 1.0 | 3.45 | 3.18 | 0.85 |
| Orbital involvement | 3.41 | 3.56 | 0.54 | 2.83 | 3.43 | 1.0 | 3.73 | 3.63 | 1.0 |
| Brain invasion | 3.42 | 3.33 | 0.51 | 3.17 | 3.57 | 1.0 | 3.55 | 3.18 | 0.85 |
| CNs | |||||||||
| CN II | 3.23 | 3.28 | 1.0 | 3.0 | 3.29 | 0.81 | 3.45 | 3.27 | 0.75 |
| CN III | 3.25 | 2.37 | 0.002 | 3.08 | 2.5 | 0.03 | 3.36 | 2.28 | 0.03 |
| CN IV | 0.84 | 0.09 | 0.002 | 0.93 | 0.22 | 0.19 | 0.78 | 0.0 | 0.04 |
| CN VI | 0.95 | 0.52 | 0.01 | 0.93 | 0.71 | 0.83 | 0.96 | 0.38 | 0.03 |
| ICA branches | |||||||||
| Ophthalmic | 2.5 | 1.48 | 0.03 | 1.87 | 1.79 | 1.0 | 2.91 | 1.27 | 0.01 |
| Superior hypophyseal | 0.11 | 0.06 | 0.94 | 0.14 | 0.0 | 1.0 | 0.09 | 0.09 | 1.0 |
| ACA | 3.89 | 3.78 | 1.0 | 3.72 | 3.72 | 1.0 | 4.0 | 3.82 | 1.0 |
| MCA | 4.0 | 4.0 | 1.0 | 4.0 | 4.0 | 1.0 | 4.0 | 4.0 | 1.0 |
| PCOM | 2.72 | 2.2 | 0.03 | 3.93 | 1.93 | 0.75 | 2.59 | 2.37 | 0.35 |
| Anterior choroidal | 2.17 | 1.31 | 0.11 | 2.14 | 1.43 | 1.0 | 2.18 | 1.18 | 0.28 |
| Supraclinoid ICA | 4.0 | 4.0 | 1.0 | 4.0 | 4.0 | 1.0 | 4.0 | 4.0 | 1.0 |
| R Knosp's score | 1.06 | 1.17 | 1.0 | 0.57 | 0.57 | 1.0 | 1.36 | 1.55 | 1.0 |
| L Knosp's score | 1.44 | 0.89 | 0.54 | 1.29 | 0.57 | 0.75 | 1.55 | 1.09 | 1.0 |
| Confidence in Knosp's rating | 2.611 | 2.83 | 0.54 | 2.47 | 3.0 | 0.75 | 2.64 | 2.73 | 1.0 |
Abbreviations: ACA, anterior cerebral artery; CN, cranial nerve; ICA, internal carotid artery; L, left; MCA, middle cerebral artery; MRI, magnetic resonance imaging; PCOM, posterior communicating artery; R, right.
Note: bolded values indicate Bonferroni's adjusted p -values below 0.05. 0, structure was not seen; 1, poor visualization; 2, fair visualization; 3, good visualization; 4, excellent visualization.