Susceptibility mapping of air, bone, and calcium in the head.

  title={Susceptibility mapping of air, bone, and calcium in the head.},
  author={Sagar Buch and Saifeng Liu and Yongquan Ye and Yu-Chung N. Cheng and Jaladhar Neelavalli and E. Mark Haacke},
  journal={Magnetic resonance in medicine},
  volume={73 6},
PURPOSE To demonstrate the mapping of structures with high susceptibility values, such as the sinuses, bones and teeth, using short echo times. METHODS Four in vivo datasets were collected with a gradient-echo sequence (TE1 = 2.5 ms, TE2 = 5 ms and TE3 = 7.5 ms). Complex division was performed to remove the phase offset term and generate the phase at TE = 2.5 ms. Susceptibility maps were generated from unwrapped phase images, using a geometry-constrained iterative algorithm, by preserving… CONTINUE READING
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