Fig 4. Case 3.

A, CT angiography revealing bilateral asymptomatic middle cerebral artery (MCA) bifurcation aneurysms and an additional aneurysm at the left distal superior cerebellar artery.

B and C, In a first procedure, the left MCA and the cerebellar superior artery aneurysms were completely embolized.

D–F, Eight weeks later, the right MCA bifurcation aneurysm was completely occluded with coils.