MRI features among telomere maintenance glioblastoma subtypes
| MRI Feature | Telomere Maintenance Subtype | ||||
|---|---|---|---|---|---|
| ALT+/M− | ALT−/M− | ALT−/M+ | Pearson χ2 and P Valuesa | ALT+/M+ | |
| No. of patients | 26 | 92 | 56 | 6 | |
| Regular margin, % (no.) | 58 (15) | 30 (28) | 30 (17) | 7.3, .026 | 33 (2) |
| Fungating margin, % (no.) | 19 (5) | 53 (49) | 61 (34) | 12.8, .002 | 67 (4) |
| Cystic component, % (no.) | 39 (10) | 24 (22) | 11 (6) | 8.5, .014 | 50 (3) |
| Radiologic necrosis, % (no.) | 58 (15) | 73 (67) | 86 (48) | 7.7, .021 | 83 (5) |
| Extensive PTE, % (no.) | 23 (6) | 23 (21) | 45 (25) | 8.6, .014 | 17 (1) |
| Multifocal lesion, % (no.) | 15 (4) | 12 (11) | 23 (13) | NS | 33 (2) |
| Hemorrhage, % (no.) | 8 (2) | 20 (18) | 7 (4) | NS | 3 (2) |
Note:—NS indicates not significant.
↵a Statistical comparisons were made between 3 groups: ALT+/M−, ALT−/M−, and ALT−/M+.