Objective: CT angiography (CTA) has been reported to yield a high sensitivity, specificity, and accuracy in detection of (i.) no vasospasm or (ii.) severe cerebral vasospasm in proximal cerebral arteries in SAH patients. However, it has been shown to be less accurate for detecting mild and moderate [for full text, please go to the a.m. URL] ; SeriesInformation ; 66. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC)