Table 2.

Treatment modalities in the relapse situation

	First relapse	Second relapse	Third relapse	Fourth relapse
BCNU	30	4	0	1
Resection	0	1	1	0
LINAC radiosurgery	2	0	0	0
Local immunotoxin administration	2	0	0	0
Alternative chemotherapy (cilengitide)	1	0	0	0