A detailed set of inclusion and exclusion criteria are included in the online supplementary materials. Required aneurysm characteristics were: Ruptured or unruptured Saccular in shape Located at the ...

IDs were classified into three types: type I IDs do not exhibit morphological change over a long follow-up period, type II IDs evolve into saccular aneurysms, while type III IDs are those that result ...

The size of the saccular intracranial aneurysm (IA) has been used as the primary indicator for rupture risk. We investigated at which size IAs that rupture did so, and whether this size has ...