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Elemental distribution mapping on breast tissue samples.

G R Pereira1, H S Rocha, M J Anjos

  • 1Laboratório de Instrumentação Nuclear - LIN-COPPE/UFRJ, RJ, Brazil.

European Journal of Radiology
|July 11, 2008
PubMed
Summary
This summary is machine-generated.

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This study maps elemental and absorption distributions in breast tissue using X-ray fluorescence and microtomography. Researchers identified key elements like zinc, copper, and iron in both healthy and tumorous breast tissues.

Area of Science:

  • Medical Physics
  • Materials Science
  • Biomedical Imaging

Background:

  • Elemental distribution in breast tissue is crucial for understanding physiological processes and disease.
  • X-ray-based imaging techniques offer non-invasive methods for elemental analysis.

Purpose of the Study:

  • To map the elemental and absorption distribution in breast tissue samples.
  • To differentiate elemental composition between healthy and tumorous breast tissues.

Main Methods:

  • Utilized X-ray fluorescence (XRF) and X-ray transmission microtomography.
  • Experiments conducted at the Brazilian Synchrotron Light Source (LNLS) beamline D09B-XRF.
  • Employed a quasi-monochromatic beam, high-precision goniometer, HPGe detector for fluorescence, and Na(Tl) scintillation counter for transmission.

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Identification of Metal Oxide Nanoparticles in Histological Samples by Enhanced Darkfield Microscopy and Hyperspectral Mapping

Published on: December 8, 2015

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Identification of Metal Oxide Nanoparticles in Histological Samples by Enhanced Darkfield Microscopy and Hyperspectral Mapping
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Main Results:

  • Successfully determined the distribution of Zinc (Zn), Copper (Cu), and Iron (Fe) in breast tissue samples.
  • Elemental distribution maps were generated for both healthy and tumorous tissues.
  • Reconstructed tomographic images using a filtered-back projection algorithm.

Conclusions:

  • X-ray fluorescence and microtomography are effective for mapping elemental distribution in breast tissue.
  • Distinct elemental patterns were observed between healthy and tumorous breast tissues, highlighting potential biomarkers.
  • This technique provides valuable insights into the elemental composition of breast tissue for diagnostic purposes.