The surgeon carefully dissects under the brain or between the lobes of the brain and places a metal clip across the “neck” or base of the aneurysm (Figure 3b). The clip blocks blood from entering the ...

To repair aneurysms, doctors can coil, stent, or clip them. The standard surgery to clip an aneurysm involves performing a craniotomy. Surgeons make a large incision in the head and open up the skull.