PMC4899854_01
61-year-old female with ruptured distal anterior inferior cerebellar artery aneurysm. A plain CT scan on admission showing thin subarachnoid hemorrhage, mainly in the right ambient cistern (arrow).
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CT showed SAH, predominantly in the right ambient cistern (Fig. 1).
61-year-old female with ruptured distal anterior inferior cerebellar artery aneurysm. An anterior-posterior view (A) and lateral view (B) of the preoperative digital subtraction angiography of the right vertebral artery showing a saccular aneurysm of the anterior inferior cerebellar artery in the distal aspect of the meatal loop (arrow).
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Digital subtraction angiography showed a saccular aneurysm in the distal aspect of the meatal loop of the right AICA (Fig. 2).
61-year-old female with ruptured distal anterior inferior cerebellar artery aneurysm. An anterior-posterior view of the postoperative digital subtraction angiography of the right vertebral artery showing complete endosaccular embolization (small arrows). The distal branch is preserved (arrow).
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Cerecyte Ultipaq, 2 mm x 4 cm; Micrus Corp., San Jose, CA, USA) were packed into the aneurysm sac. Complete obliteration of the distal AICA aneurysm was successfully achieved (Fig. 3).
61-year-old female with ruptured distal anterior inferior cerebellar artery aneurysm. Magnetic resonance angiogram taken 14 months after the endovascular surgery demonstrating no aneurysm (arrow).
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Followup magnetic resonance angiography 14 months after the endovascular surgery revealed complete aneurysmal embolization (Fig. 4).