Using standard nonenhanced axial scans for cerebral CT angiography bone elimination: feasibility study.

Objective:To investigate the feasibility of using standard nonenhanced axial-mode scans as precontrast scans for bone elimination in cerebral CT angiography (CTA).Materials and Methods:A consecutive dataset of 32 patients who had both cerebral nonenhanced CT (NECT) (scanned in axial mode) and subtra