Abstract #0010

Multi-Band Multi-Slab 3D Multi-Echo Acquisition for Simultaneous Time-of-Flight MR Angiography and Susceptibility-Weighted Imaging at 3T

Misung Han¹, Brian L Burns², Suchandrima Banerjee², and Janine M Lupo^1,3

¹Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, United States, ²Applications and Workflow, GE Healthcare, Menlo Park, CA, United States, ³UCSF-UC Berkeley Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, San Francisco, CA, United States

A single scan of multi-slab, multi-echo acquisition can simultaneously provide 3D time-of-flight (TOF) MR angiography and susceptibility-weighted imaging (SWI) MR venography, which allows for the assessment of vascular injury in the form of cerebral microbleeds in association with arteries and veins. However, the acquisition for high-resolution multi-slab 3D TOF-MRA/SWI with whole brain coverage takes over 10 minutes to acquire at 3T. In this work, we developed a 3D multi-slab, multi-echo acquisition for TOF-MRA/SWI with multi-band acceleration to reduce acquisition time and compared the resulting TOF-MRA and SWI images in patients with radiation-induced microbleeds.

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