Table 1.
*Case No. 4, 9, 11, 17, 21 patients had multiple arterial aneurysms, †The modified Rankin Scale (mRS) is a measure of function, grades are defined as follows : 0-no symptoms; 1-no significant disability despite symptoms, able to carry out all usual duties and activities; 2-slight disability, unable to carry out all previous activities but able to look after own affairs without assistance; 3-moderate disability, requiring some help but able to walk without assistance; 4-moderately severe disability, unable to walk without assistance and unable to attend to own bodily needs without assistance; 5-severe disability, bedridden, incontinent, and requiring constant nursing care and attention; 6 represents death, ‡AVMs located on eloquent area (total 13). ACA : anterior cerebral artery, AcoA : anterior communicating artery, AchoA : anterior choroidal artery, AICA : anterior inferior cerebellar artery, GDC : intraaneurysmal embolization with Guglielmi detachable coil, ICA : internal cerebral artery, MCA : middle cerebral artery, PCA : posterior cerebral artery, PcoA : posterior communicating artery, PICA : posterior inferior cerebellar artery, PTA : posterior temporal artery, SCA : superior cerebellar artery, S-M Grade : Spetzler-Martin Grade