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Abstract #4752

Optimized PC-MRA using a New Processing Workflow for 4D Flow MRI Data

Lingzi Tashakkor1, Susanne Schnell1, Alex J Barker1, Kelly Jarvis1, Emilie Bollache1, and Michael Markl1

1Northwestern University, Chicago, IL, United States

A new workflow was developed based on the information from 4D flow MRI to optimize the phase contrast MR angiogram. Five new PC-MRA algorithms were tested on 15 patients, and compared with and without the proposed pre-processing. Histogram equalization/remapping was applied to improve the dynamic signal range for easier segmentation and reduced user interaction. Results showed higher-quality PC-MRAs when the proposed pre-processing was applied.

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