TABLE 6.
Mass effect
| Type | Marked | Moderate | Slight | None |
|---|---|---|---|---|
| Grade 1 gliomas | 00 | 01 | 02 | 00 |
| Grade II astrocytoma | 00 | 01 | 07 | 05 |
| Grade III anaplastic astrocytoma | 02 | 04 | 02 | 00 |
| Grade IV glioblastoma multiforme | 07 | 05 | 00 | 00 |
| Oligodendroglioma | 00 | 01 | 02 | 00 |
| Ependymoma | 00 | 01 | 01 | 00 |
| Choroid plexus papilloma | 00 | 01 | 00 | 00 |
| Total | 09 | 14 | 14 | 05 |
| % | 21.4 | 33.3 | 33.3 | 12 |