Ultrasound_transmission_tomography

Ultrasound transmission tomography

Ultrasound transmission tomography

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Ultrasound transmission tomography (UTT) is a form of tomography involving ultrasound.[1]

Quick Facts

Like X-ray tomography, the attenuation of the ultrasound as it passes through the object can be measured, but since the speed of sound is so much lower than the speed of light, the delay as it passes through the object can also be measured, allowing estimation of both the attenuation coefficient and the index of refraction.[2] Traditional ultrasound imaging primarily detects boundaries between different media. Also unlike X-rays, the paths through the object are not necessarily straight lines, as they are deflected at each boundary. Tumors typically have a higher speed of sound than surrounding tissue.

See also

References

  1. [1]
    Opielinski, Krzysztof J.; Gudra, Tadeusz (December 2006). "Multi-parameter ultrasound transmission tomography of biological media". Ultrasonics. 44 (Suppl 1): e295–302. doi:10.1016/j.ultras.2006.06.016. PMID 17005227.
  2. [2]
    COMPUTERIZED TOMOGRAPHIC IMAGING (PDF).


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