Patent ID: 11971467
Assignee: CASE WESTERN RESERVE UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 0:
1. A method for free-breathing abdominal magnetic resonance fingerprinting (MRF), the method comprising:
applying a pilot tone (PT) radiofrequency (RF) signal in a magnetic resonance imaging (MRI) system environment using a PT RF signal source;
acquiring, using the MRI system, MRF data from a region of interest in a subject using a free-breathing MRF pulse sequence;
acquiring, using the MRI system, PT navigator signals based on the applied PT RF signal, wherein the PT navigator signals are associated with a plurality of respiratory states and wherein the PT navigator signals are encoded with the acquired MRF data;
generating, using a processor, one or more images for each of the plurality of respiratory states based on the MRF data and the PT navigator signals;
for each respiratory state, comparing the one or more images for the respiratory state to a respiratory state MRF dictionary associated with the respiratory state to determine at least one tissue property of the MRF data associated with the respiratory state; and
generating at least one quantitative parameter map for the at least one tissue property for each respiratory state.