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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Magn Reson Med. 2018 Jan 15;80(3):1132–1137. doi: 10.1002/mrm.27091

Fig. 1.

Fig. 1

The interleaved 3D SW-FLAIR pulse sequences. The preparation interval TD1 allows T1 recovery prior to the FLAIR turbo-spin echo (FLAIR-TSE) acquisition. The GRE preparation module (GRE prep) during the TD2 period consists of dummy repetitions of the GRE sequence to help the magnetization reach its steady state. The susceptibility weighted EPI-accelerated GRE module (SW EPI-GRE) follows with Nacq TR periods in each shot. The respective repetition, inversion and echo times are denoted. Abbreviations: TR, repetition time; TE, echo time; Tshot, shot interval; TI, inversion time; NETL, eco train length of the TSE readout; Nprep, number of GRE preparation periods; Nacq, number of GRE acquisition periods.