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Abstract #2452

Application of 3D SPACE MRI on intracranial aneurysm: A preliminary study

Bing Tian1,2, Christopher Hess1, Farshid Faraji1, Megan K Ballweber1, and David Saloner1,3

1Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, United States, 2Department of Radiology, Changhai hospital of Shanghai, 3Radiology Service, VA Medical Center, San Francisco

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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