Clinical variables associated with radiation necrosis
| Statistically Significant | Not Statistically Significant |
|---|---|
| >3 Chemotherapy agents (P = .03) | Age, 2 years or younger (P = .11) |
| ATRT pathology (P = .03) | Age, 3 years or younger (P = .34) |
| Sex (P = 1.0) | |
| Gross total surgical resection (P = .77) | |
| Medulloblastoma tumor pathology (P = .35) | |
| Ependymoma tumor pathology (P = .15) | |
| Germinomaa (P = .3) | |
| Infratentorial tumor location (P = 1.0) | |
| Pineal tumor locationa (P = .16) | |
| Craniospinal radiation (P = .48) | |
| Total radiation dose (P = .66) |
Note:—ATRT indicates atypical teratoid rhabdoid tumor.
↵a No pineal tumors or germinomas demonstrated radiation necrosis.