Table 1:

Imaging modalities used before and after rupture

No.	Imaging Modality before Rupture	Resolution (mm)	Imaging Modality after Rupture	Resolution (mm)
1	3D TOF MRA	0.49 × 0.49 × 1.2	3D RA	0.22 × 0.22 × 0.22
2	3D TOF MRA	0.31 × 0.31 × 1.0	CTA	0.31 × 0.31 × 0.45
3	CTA	0.33 × 0.33 × 1.0	CTA	0.35 × 0.35 × 0.33
4	3D PC MRA	0.78 × 0.78 × 1.0	3D RA	0.25 × 0.25 × 0.25
5	3D TOF MRA	0.45 × 0.45 × 1.0	3D RA	0.39 × 0.39 × 0.39
6	CTA	0.43 × 0.43 × 0.9	3D RA	0.22 × 0.22 × 0.22
7	3D TOF MRA	0.20 × 0.20 × 1.0	3D RA	0.17 × 0.17 × 0.17
8	3D TOF MRA	0.35 × 0.35 × 1.4	3D RA	0.17 × 0.17 × 0.17
9	CTA	0.33 × 0.33 × 1.3	3D RA	0.09 × 0.09 × 0.09

Note:—PC indicates phase-contrast; RA, rotational angiography.