Diagnostic Value of Low-Dose 256-Slice Spiral CT Angiography, MR Angiography, and 3D-DSA in Cerebral Aneurysms

Figure 1

(a–c) show the MRA, CTA, and 3D-DSA, respectively, of basilar artery aneurysms in the same patient. The arrows show the aneurysm.

(a)

(b)

(c)