Table 2.
MRI findings | No. | % |
---|---|---|
Tumor diameter (cm) | ||
≤3 | 6 | 22.2% |
3-5 | 13 | 48.1% |
5-7 | 7 | 25.9% |
≥7 | 1 | 3.7% |
Tumor location | ||
Convexity | 18 | 66.7% |
Sphenoidal crest | 4 | 14.8% |
Saddle area | 2 | 7.4% |
Petroclival | 1 | 3.7% |
Cerebellopontine angle area | 1 | 3.7% |
Tentorium of cerebellum | 1 | 3.7% |
Tumor shape | ||
Oval | 22 | 81.5% |
Nodular lobulated | 1 | 3.7% |
Irregular | 4 | 14.8% |
Signal voids of vessel | 27 | 100% |
Tumor enhancement | ||
Homogeneous | 23 | 85.2% |
Heterogeneous | 4 | 14.8% |
Obvious meningeal tail sign | 18 | 66.7% |