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Applied Optics

Applied Optics


  • Vol. 42, Iss. 16 — Jun. 1, 2003
  • pp: 3163–3169

In vivo breast imaging with diffuse optical tomography based on higher-order diffusion equations

Yong Xu, Xuejun Gu, Laurie L. Fajardo, and Huabei Jiang  »View Author Affiliations

Applied Optics, Vol. 42, Issue 16, pp. 3163-3169 (2003)

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We report on in vivo absorption and scattering imaging of a human breast cyst and implant, using a reconstruction algorithm based on our third-order diffusion equations. To validate these in vivo images, a series of phantom experiments were conducted, in which we used low-absorbing and low-scattering heterogeneities to mimic a breast cyst or implant. These heterogeneities or targets were composed of pure water or a mixture of water and very dilute Intralipid (0.05% and 0.1%). The phantom experiments confirmed the quantitative imaging capability of our improved algorithm for reconstructing heterogeneities where the conventional diffusion approximation is inadequate. Pilot clinical results from female volunteers indicate that enhanced diffuse optical tomography can quantitatively image findings such as breast cysts or implants in which the absorption and scattering coefficients are usually low.

© 2003 Optical Society of America

OCIS Codes
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.6960) Medical optics and biotechnology : Tomography

Original Manuscript: September 2, 2002
Revised Manuscript: December 2, 2002
Published: June 1, 2003

Yong Xu, Xuejun Gu, Laurie L. Fajardo, and Huabei Jiang, "In vivo breast imaging with diffuse optical tomography based on higher-order diffusion equations," Appl. Opt. 42, 3163-3169 (2003)

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