Table 1 Previously reported grading system for adults with supratentorial glioblastoma. All features are assessed using the pre-operative contrast-enhanced T1-weighted MRI7.
Pre-operative MRI feature | Score |
|---|---|
Periventricular or deep location | |
≥10 mm from ventricle | 0 |
<10 mm from ventricle | 1 |
Corpus callosum or bilateral location | |
No corpus callosum involvement | 0 |
Corpus callosum involvement or bilateral location | 1 |
Eloquent location | |
Not eloquent location | 0 |
Eloquent location (motor or sensory cortex, language cortex, insula or basal ganglia) | 1 |
Largest diameter of tumour | |
<40 mm | 0 |
≥40 mm | 1 |
Associated oedema | |
<10 mm from contrast-enhancing tumour | 0 |
≥10 mm from contrast-enhancing tumour | 1 |
TOTAL | 0–5 |
0–1 Low complexity | |
2–3 Moderate complexity | |
4–5 High complexity | |
