Table 1:

Generally accepted indications to treat CCAs

Indications
Symptomatic CCAs
    Symptomatic mass effect (ophthalmoplegia or intractable retro-orbital pain)
    Symptomatic with acute thrombotic changes
Symptomatic or asymptomatic CCAs
    Ruptured aneurysms
    Bony erosion
    Radiographic evidence of projection into subarachnoid space
    Underlying coagulopathy
    Large aneurysms (>10 mm)
    Evidence of growth of aneurysms