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Cases in which surgical management (A and A1) or endovascular treatment (EVT) (B) were rarely considered to be an option. A and A1 show a recurrent, previously coiled, calcified, partially thrombosed-but-unruptured left MCA aneurysm. Only 64% of the respondents considered surgical management an option. B, A large, wide-neck, ruptured, right MCA aneurysm. Only 39% of the respondents considered EVT to be an option for this case.
