1naresh
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Locationa No. of Cases Total (n = 117) Bifurcation (n = 90) Sidewall (n = 27) Unruptured Ruptured Unruptured Ruptured Unruptured Ruptured High-risk location PcomA 12 (10%) 4 8 3 3 1 5 BA 11 (9%) 8 3 8 2 0 1 VA 1 (1%) 0 1 0 0 0 1 ACA 8 (7%) 3 5 2 5 1 0 AcomA 28 (24%) 7 21 7 20 0 1 Subtotal 60 (51%) 22 38 20 30 2 8 Low-risk location MCA 36 (31%) 27 9 23 9 4 0 ICA 21 (18%) 13 8 3 5 10 3 Subtotal 57 (49%) 40 17 26 14 14 3 Total 117 (100%) 62 55 46 44 16 11
Note:—AcomA indicates anterior communicating artery; PcomA, posterior communicating artery; VA, vertebral artery.
↵a ICA includes the internal carotid, ophthalmic, anterior choroidal arteries and the carotid tip; ACA includes the anterior cerebral and pericallosal arteries; BA includes the basilar, PICA, and superior cerebellar arteries.