| Clinical Utility | # | % |
|---|---|---|
| Improved morphologic assessment of aneurysm | 26/36 | 72% |
| -when CTA with 3D reformations were available | 26/31 | 84% |
| Improved pre-operative anatomic information | 14/36 | 39% |
| -improved visualization of parent and perforating vessel relationships | 9/14 | 64% |
| -improved identification of daughter sac and lobular morphology | 5/14 | 36% |
| -improved analysis of relationship to brainstem and skull base | 3/14 | 21% |