Investigative Radiology January 2021

Toward Quantification – Microstructure and Magnetic Resonance Fingerprinting

Gall Fig 4Abstract: Quantitative magnetic resonance imaging (MRI) is a long-standing challenge. We advocate that the origin of the problemis the simplification applied in commonly used models of the MRI signal relation to the target parameters of biological tissues. Two research fields are briefly reviewed as ways to respond to the challenge of quantitative MRI, both experiencing an exponential growth right now. Microstructure MRI strives to build physiology-based models from cells to signal and, given the signal, back to the cells again. Magnetic resonance fingerprinting aims at efficient simultaneous determination of multiple signal parameters. The synergy of these yet disjoined approaches promises truly quantitative MRI with specific target-oriented diagnostic tools rather than universal imaging methods.  View/Download


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