Aneurysm locations presented as maximum sac size, neck width, and morphology.

Abbreviations: n (numbers of aneurysms), mm (millimetres), AICA (anterior inferior cerebellar artery), BA (basilar artery), COA (carotid ophthalmic artery), ICA (internal carotid artery), MCA (middle cerebral artery), PCoA (posterior communicating artery), PICA (posterior inferior cerebellar artery), VA (vertebral artery).*For one saccular aneurysm the neck width was not measured; †Procedure abandoned (failed treatments);‡Second procedures.