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Abstract #4795

Rigid co-registration for MOLLI, a clinical test.

Yadong Cui1, Min Zhang1, Xiaoqi Wang2, and Min Chen1

1Radiology Department, Beijing Hospital, Beijing, China, 2Philips Healthcare, Beijing, China


T1 quantification requires acquisition of multiple images at a sequence of delay times to derive the T1 recovery curve. Modified look-locker inversion recovery (MOLLI) is one of the most commonly used techniques. However, motion between these image acquisitions, especially at different heartbeats, often results in artifacts. In this work, we evaluated motion correction via a novel rigid co-registration based on images at a series time of delay along the T1 relaxation to eliminate the respiratory and cardiac motion artifacts.

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