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

Table 2

Comparison of the coincidence of DSA, CTA, and MRA in detecting the size (maximum diameter) of aneurysms ().

Inspection methods	Number of detections	≤3 mm	>3~6 mm	>6~9 mm	>9 mm
DSA	89	15	44	18	13
CTA	82	13	40	16	13
MRA	75	6	39	17	13