Abstract #2318
Cylindrical Encoding in MRI
Taner Demir 1 , Ali Caglar Ozen 2 , Emre Kopanoglu 3 , and Ergin Atalar 1,4
1
Umram, Bilkent University, Ankara, Ankara,
Turkey,
2
University
of Freiburg, Freiburg, Baden-Wurttemberg, Germany,
3
Yale
University, Connecticut, United States,
4
Dept.
of EE Engineering, Bilkent University, Ankara, Ankara,
Turkey
The cylindrical encoding as a novel method for high
resolution imaging without requiring the use of high
strength gradients is introduced. Phase encoding in the
circumferential direction is obtained by alternating
transmission using a loopless catheter antenna and a
birdcage coil in two shot fast spin echo pulse sequence.
The readout is carried out in the direction of main
magnetic field. The MR signal is received as the radial
projection of the spins. The image is reconstructed by
inverse Fourier transforming the rearranged projection
data.
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