Table 2. The only relevant risk factor for LM was surgical entry to the ventricle.

Older age at diagnosis, higher WHO-Grade, LM, lower extent of resection and ventricular entry (beyond 700 days of follow-up) were significant predictors of inferior overall survival.

N/A: Not applicable.

^*PC/PCV: Procarbacin and CCNU/Procarbazin, CCNU and Vincristin.

^§Biopsy cases not included.