Patient 12, a 35-year-old man presenting with acute left occulomotor palsy.
A and B, MR imaging and angiography show a left P1–P2 aneurysm pointing downward with an intramural thrombus.
C and D, Coiling of the aneurysm with the aid of a supporting balloon results in complete occlusion of the lumen.
E, CT scan 2 months later shows SAH from the coiled aneurysm. The patient died the next day.