Table 4.
MRI features in patients with glioma (N = 178).
| Feature | n (%) |
|---|---|
| Tumor location | |
| Lobar | 119 (66.9) |
| Other (deep) | 59 (33.1) |
| Necrosis | |
| Yes | 161 (90.4) |
| No | 17 (9.6) |
| Deep white matter invasion | |
| Yes | 76 (57.3) |
| No | 102 (42.7) |
| Enhancement | |
| Yes | 153 (86.0) |
| No | 23 (13.9) |
| Laterality | |
| Right/left | 157 (88.2) |
| Central/bilateral | 21 (11.8) |
| CET crossing the midline | |
| Yes | 36 (20.2) |
| No | 140 (78.7) |
| Multicentric/multifocal | |
| Yes | 41 (23.0) |
| No | 137 (77.0) |
| Cysts | |
| Yes | 18 (10.1) |
| No | 160 (89.9) |
| nCET crossing the midline | |
| Yes | 84 (47.2) |
| No | 94 (52.8) |
| Tl/FLAIR | |
| Expansive | 53 (30.0) |
| Infiltrative | 125 (70.0) |
| Edema crossing the midline | |
| Yes | 74 (41.6) |
| No | 104 (58.4) |
| Satellite lesions | |
| Yes | 36 (20.2) |
| No | 140 (78.7) |
| Edema proportion | |
| <5% | 149 (83.7) |
| >5% | 29 (16.3) |
| Hemorrhage | |
| Yes | 117 (65.7) |
| No | 58 (41.6) |
| Cortical involvement | |
| Yes | 136 (76.4) |
| No | 42 (23.6) |
| Restricted diffusion | |
| Yes | 47 (26.4) |
| No | 126 (70.8) |
| Pial invasion | |
| Yes | 61 (34.3) |
| No | 115 (64.6) |
| Eloquent brain area | |
| Yes | 59 (33.1) |
| No | 119 (66.9) |
| Diameter | |
| 0.5-5.0 cm | 60 (33.7) |
| > 5.0 cm | 118 (66.3) |
| Ependymal invasion | |
| Yes | 123 (69.1) |
| No | 55 (30.9) |
| Enhancement proportion | |
| 0-33% | 131 (73.6) |
| 34-100% | 45 (25.3) |
| Perfusion* | |
| Increased | 63 (75.0) |
| Decreased | 21 (25.0) |
CET, contrast-enhancing tumor; nCET, non-contrast-enhancing tumor; T1/FLAIR, T1-weighted/fluid-attenuated inversion recovery.
*
Data available for only 84 (47.2%) of the 178 patients.