| RISK FACTORS | REFERENCES |
|---|---|
|
Tumor-related risk factors Location Hydrocephalus |
[19,20,21] |
|
Patient-related risk factors Age at diagnosis Neurofibromatosis type 1 |
[22,23,24] |
|
Treatment-related factors Surgical complications Irradiation Doses of irradiation Volume of irradiation |
[25,26][24][18,27][25,28] |