期刊
MAGNETIC RESONANCE IN MEDICINE
卷 54, 期 3, 页码 725-731出版社
JOHN WILEY & SONS INC
DOI: 10.1002/mrm.20602
关键词
T-1; mapping; IRFSE; spin echo; brain; time efficient slice ordering
Brain T-1 mapping has important clinical applications in detecting brain disorders. Conventional T-1 mapping techniques are usually based on inversion recovery spin echo (IRSE) imaging or its more time-efficient counterpart inversion recovery fast spin echo (IRFSE) imaging because they can deliver good image quality. Multiple inversion times are required to accurately estimate T-1 over a wide range of values. Without acquisition optimization, both the IRSE and the IRFSE T-1 mapping techniques require long scan times to image the whole brain. To reduce the scan time and maintain the quality of the T-1 maps, we propose a new full-brain T-1 mapping pulse sequence based on a multi-slice inversion recovery fast spin echo imaging using a time-efficient slice ordering technique.
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