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Related Experiment Video

Updated: Sep 11, 2025

Laser-capture Microdissection of Human Prostatic Epithelium for RNA Analysis
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Wide-field quantitative micro-elastography of freshly excised human prostate.

Szymon Tamborski1, Marta K Skrok1, Matt S Hepburn1,2,3

  • 1Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University in Toruń, 5 Grudziądzka St., 87-100 Toruń, Poland.

Biomedical Optics Express
|August 14, 2025
PubMed
Summary

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Quantitative micro-elastography (QME) combined with optical coherence tomography (OCT) can reveal mechanical differences in prostate tissue. This technique enhances tumor visualization for improved prostate cancer diagnosis.

Area of Science:

  • Biomedical Engineering
  • Optical Imaging
  • Cancer Diagnostics

Background:

  • Prostate cancer diagnosis relies on imaging, but differentiating tumors from healthy tissue remains challenging.
  • Optical coherence tomography (OCT) provides high-resolution microarchitecture visualization but lacks reliable tumor contrast.
  • Advanced imaging techniques are needed to improve diagnostic accuracy for prostate cancer.

Purpose of the Study:

  • To develop and validate a wide-field quantitative micro-elastography (QME) method for enhanced prostate cancer detection.
  • To assess the capability of QME to provide contrast based on mechanical properties, complementing OCT.
  • To improve the differentiation of cancerous tissue from healthy prostate tissue using mechanical imaging.

Main Methods:

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Last Updated: Sep 11, 2025

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  • Wide-field quantitative micro-elastography (QME) was employed to image mechanical properties of excised human prostate tissue.
  • Volumetric OCT, strain, and elasticity images were generated over a 46 × 46 × 1 mm³ field-of-view.
  • Image co-registration with standard histology was performed for validation.

    • Main Results:

    • QME successfully imaged micro-scale mechanical properties of prostate tissue, revealing variations in stiffness.
    • The generated elasticity contrast correlated with tumor presence, indicating increased stiffness in cancerous regions.
    • Co-registration with histology confirmed the accuracy of QME in mapping mechanical variations.

    Conclusions:

    • Wide-field QME offers valuable contrast for prostate cancer detection by quantifying tissue stiffness.
    • Combining QME with OCT enhances visualization and differentiation of tumors from healthy prostate tissue.
    • This approach shows promise for improving image-guided biopsies and diagnostic procedures in prostate cancer management.