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Abstract #3248

Non-contrast 3D Black Blood MRI for Intracranial Aneurysm Surveillance: A Quantitative Study

Yan Wang1, Jing Liu1, and David Saloner1

1University of California San Francisco, San Francisco, CA, United States

Patients with unruptured intracranial aneurysms routinely undergo surveillance imaging to monitor their growth. Contrast enhanced magnetic resonance angiography (CE-MRA) provides good accuracy in measuring size, but requires the use of contrast agents, which is undesirable for repeated imaging. In this study, we propose a semi-automatic method to compare the volumetric difference between 3D non-contrast black blood MRI and CE-MRA on 17 aneurysms. Our results support the use of non-contrast black blood MRI for surveillance of intracranial aneurysm in the clinical setting.

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