X-ray phase-contrast CO(2) angiography for sub-10 μm vessel imaging.

  title={X-ray phase-contrast CO(2) angiography for sub-10 μm vessel imaging.},
  author={Ulf Lundstr{\"o}m and Daniel H. Larsson and Anna Burvall and Lisa Parker Scott and Ulrica Kristina Westermark and Michaela Wilhelm and Marie Arsenian Henriksson and Hans M. Hertz},
  journal={Physics in medicine and biology},
  volume={57 22},
X-ray in-line phase contrast has recently been combined with CO(2) angiography for high-resolution small-animal vascular imaging at low radiation dose. In this paper we further investigate the potential and limitations of this method and demonstrate observation of vessels down to 8 μm in diameter, considerably smaller than the 60 μm previously reported. Our in-line phase-contrast imaging system is based on a liquid-metal-jet-anode x-ray source and utilizes free-space propagation to convert… CONTINUE READING
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