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Table 3: 
Treatment by Spetzler-Martin grade
Grade I/II Lesions (n = 71)Grade III Lesions (n = 37)Grade IV/V Lesions (n = 18)
Surgery58%8%0%
Endovascular12%5%12%
Radiosurgery15%54%44%
Multimodala15%32%44%
  • ↵a Embolization followed by surgery or radiosurgery.