Table 3:
Treatment by Spetzler-Martin grade
Grade I/II Lesions (
n
= 71)
Grade III Lesions (
n
= 37)
Grade IV/V Lesions (
n
= 18)
Surgery
58%
8%
0%
Endovascular
12%
5%
12%
Radiosurgery
15%
54%
44%
Multimodal
a
15%
32%
44%
↵
a
Embolization followed by surgery or radiosurgery.