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Comprehensive liver evaluation with T1 mapping requires full abdominal coverage with sufficiently high spatial resolution for detection of pathology. Existing methods for abdominal T1 mapping are only able to achieve partial coverage, primarily limited by the breath hold and the time required to sample the T1 recovery curve (T1RC) for accurate T1 estimation. We present a radial Look-Locker T1 mapping framework which utilizes short T1RC sampling combined with deep learning based T1 estimation to achieve full abdominal coverage within a single 20s breath hold period.
Ahanonu et al. (Wed,) studied this question.