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Characteristics of meningiomas on CT imaging based on their margin
| Meningioma histopathological subtype |
Total cases |
Number of tumors | Margin | |||
|
| ||||||
| Single | Multiple | Well-defined | Indistinct | Irregular | ||
| Meningothelial | 117 | 108 | 9 | 114 | 3 | 0 |
| Fibroblastic | 22 | 19 | 3 | 20 | 2 | 0 |
| Transitional | 15 | 15 | 0 | 15 | 0 | 0 |
| Angiomatous | 7 | 4 | 3 | 7 | 0 | 0 |
| Psammomatous | 5 | 5 | 0 | 5 | 0 | 0 |
| Chordoid | 4 | 4 | 0 | 4 | 0 | 0 |
| Clear cell | 8 | 8 | 0 | 8 | 0 | 0 |
| Atypical | 24 | 20 | 4 | 22 | 2 | 0 |
| Papillary | 4 | 4 | 0 | 4 | 0 | 0 |
| Anaplastic | 18 | 14 | 4 | 12 | 0 | 6 |
