Imaging of Saccular Intracranial Aneurysms with T1W-VISTA Black-Blood Sequence
Haikun Qi 1 , Peng Liu 2 , Hansen Li 1 , and Huijun Chen 1
Department of Biomedical Engineeing, School
of Medicine, Tsinghua University, Beijing, Beijing,
of Neurosurgical, Beijing Neurosurgical Institute and
Beijing Tiantan Hospital, Beijing, China
Saccular intracranial aneurysm (IA) rupture risk
prediction is critical in the IA treatment
decision-making process. 3D High resolution MR black
blood vessel wall imaging has great potential for IA
risk stratification with the ability for both IA size
measurement and aneurysm wall inflammation evaluation.
In this study, the IA size measured by 3D black blood
T1-VISTA images is validated by comparing with 3D CTA
measurement and excellent agreement was found. The IA
wall enhancement was evaluated based on pre- and
post-contrast VISTA images, and prevalence of IA wall
enhancement was reported.
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