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Abstract #1901

Visualizing Wall Enhancement Over Time in Unruptured Intracranial Aneurysms Using 3D Vessel Wall Imaging

Bing Tian1, Shahed Toossi1, Laura Eisenmenger1, Christopher Hess1, and David Saloner1

1UCSF, San Francisco, CA, United States

Advances in vessel wall imaging techniques using high-resolution MR sequences now allow for improved visualization of the walls of intracranial vessels. In this study, we present results obtained with a 3D SPACE to visualize the walls of intracranial aneurysms and to grade the extent of aneurysm wall enhancement in subjects whose aneurysms were monitored over time. Our studies showed that visualization of the aneurysm wall is significantly better on post-contrast images than on pre-contrast images, and the majority of unruptured aneurysms show wall enhancement. Furthermore, we found the wall enhancement scores to remain essentially unchanged on follow up studies.

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