Most of the high resolution MRI(HRMRI) intracranial vessel wall studies on intracranial aneurysm are 2D or 3D non-isotropic technique with limitation of coverage and reconstruction. We applied pre- and post- 3D isotropic T1-weighted fast-spin-echo sequence (SPACE) methods on 16 patients with 21 stable intracranial aneurysms(4 patients follow up). Our studies showed that 3D T1-weighted high resolution SPACE can be used for evaluation of the vessel wall characteristics in patients with intracranial aneurysms, as well as changes in enhancement at follow up studies. Post-contrast SPACE images provide better image quality and improved diagnostic confidence.
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