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Abstract #2196

Detecting Microvascular Abnormalities in Neurodegenerative Diseases using MICRO at 3T

Sagar Buch1, Soumya Sharma2, Peter LeWitt1, Yulin Ge3, Mandar Jog2, and E. Mark Haacke4,5
1Neurology, Wayne State University, DETROIT, MI, United States, 2Clinical Neurological Sciences, Western University, London, ON, Canada, 3Radiology, New York University Grossman School of Medicine, New York, NY, United States, 4Neurology, Wayne State University, Detroit, MI, United States, 5Radiology, Wayne State University, DETROIT, MI, United States

Synopsis

Keywords: Blood Vessels, Blood vessels, Microvasculature mapping, vascular abnormalities

Motivation: There is limited understanding of microvascular alterations in neurovascular diseases such as multiple sclerosis (MS) and Parkinson’s disease (PD) using in vivo imaging techniques.

Goal(s): To detect microvascular abnormalities using the novel imaging technique MICRO (Microvascular In-vivo Contrast Revealed Origins).

Approach: MICRO imaging involves high resolution susceptibility weighted imaging (SWI) acquired in the presence of ultrasmall superparamagnetic iron oxides (USPIO).

Results: As compared to non-contrast conventional vascular imaging, MICRO drastically improves the detection of microvascular abnormalities that can help in identifying the most vulnerable structures in vascular etiology of MS and PD.

Impact: This multicentre study demonstrates that MICRO imaging has the potential to comprehensively study vascular pathology something that is often ignored in evaluating neurodegenerative diseases.

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