FIG 2. Case 3. Images of a 61-year-old male patient with a medium anterior communicating artery aneurysm.

A, Before intervention.

B, After intervention, complete obliteration is achieved.

C, Two hours after intervention, thrombus is revealed in the proximal A2 segment. Intra-arterial lysis was performed with 20 mg of recombinant tissue type plasminogen activator.

D, Control angiogram shows partial recanalization, with marked improvement of anterior perfusion.

E and F, MR images reveal partial infarction in the anterior territory.