Article Figures & Data
Figures
- Fig 1.
Angiograms in a patient with SAH Hunt and Hess grade I.
A, SSD reconstruction,
B, DSA series in a small, middle cerebral arterial aneurysm accompanied by a second developing aneurysm, which was identified only at RA.
- Fig 2.
Angiograms in a patient with SAH Hunt and Hess grade II.
A, SSD reconstruction.
B–D, DSA views of an anterior communicating arterial aneurysm that was visualized only at RA.
- Fig 3.
Angiograms in a patient with SAH Hunt and Hess grade IV.
A and B, SSD-reconstructions.
C and D, DSA series in a large internal carotid arterial aneurysm. Its relation to the parent vessel and neighboring vessels were superiorly visualized at RA.
- Fig 4.
Angiograms in a patient with SAH Hunt and Hess grade II.
A–C, SSD-reconstructions.
D–F, DSA series in an aneurysm in the bifurcation of the middle cerebral artery. The extent, neck, and spatial relationship of the aneurysm to the neighboring and parent vessels was reliably demonstrated at RA.
Tables
Location and size of aneurysms detected only at 3D RA
No. Location* Width × Length × Neck Size, mm Status DSA Quality† Series Sufficient‡ 1 Ophthalmic 1.4 × 2.3 × 2.3 Unruptured Excellent Yes 2 Ophthalmic 1.1 × 0.9 × 0.9 Unruptured Excellent Yes 3 A2 segment of the ACA 1.4 × 1.7 × 1.7 Unruptured Excellent Yes 4 MCA bifurcation 2.2 × 2.2 × 1.6 Ruptured Excellent Yes 5 MCA bifurcation 1.6 × 1.5 × 1.6 Unruptured Excellent Yes 6 MCA bifurcation 2.3 × 2.2 × 2.7 Ruptured Excellent No 7 M1 segment of the MCA 1.1 × 1.5 × 1.5 Unruptured Excellent No * ACA indicates anterior cerebral artery; MCA, middle cerebral artery.
† The overall quality of the DSA images with respect to the 3D DSA series was graded as excellent, good, sufficient, or insufficient.
‡ The sufficiency of the number of DSA series in diagnosing or excluding an aneurysm was assessed in terms of the following: usefulness for selective catheterization, adequacy in the depiction of all regions of a vascular territory with minimal overlapping, and depiction of the early arterial phase.
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