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Selected Publication:
Ropele, S; Stollberger, R; Kapeller, P; Hartung, HP; Fazekas, F.
Fast multislice T(1) and t(1sat) imaging using a phase acquisition of composite echoes (PACE) technique.
MAGN RESON MED. 1999; 42(6): 1089-1097.
Doi: 10.1002%2F%28SICI%291522-2594%28199912%2942%3A6%3C1089%3A%3AAID-MRM13%3E3.0.CO%3B2-6
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- Leading authors Med Uni Graz
- Ropele Stefan
- Co-authors Med Uni Graz
- Fazekas Franz
- Kapeller Peter
- Stollberger Rudolf
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- Abstract:
- An optimized multislice data acquisition scheme for phase acquisition of composite echoes (PACE) imaging is presented. This new scheme uses a repetition time equal to the mixing time and an appropriate phase cycling scheme, which allows for more efficient exploitation of all composite echoes. These modifications provide true multislice capability in parallel to a reduction of the acquisition time by a factor >2 compared with the original PACE method. Moreover, T(1) values can be obtained directly from phase images without the use of a lookup table. Because of the symmetrical application of the radio frequency pulses, this method is also well suited for T(1sat) imaging. Phantom studies showed a significantly better accuracy of the multislice fast PACE technique compared with a conventional two-point method in multislice acquisition mode, although precision was limited at high T(1) values. T(1) and T(1sat) measurements in brain tissue of eight healthy volunteers confirmed the stability of the fast PACE technique in a clinical setting. Magn Reson Med 42:1089-1097, 1999.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Brain - anatomy and histology
- Humans - anatomy and histology
- Image Processing, Computer-Assisted - anatomy and histology
- Magnetic Resonance Imaging - methods
- Phantoms, Imaging - methods
- Find related publications in this database (Keywords)
- Spin-Lattice Relaxation Time
- Spin-Echo
- Stimulated Echo
- Phase Image
- Magnetization Transfer
- Pace