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Author Spotlight: Advancing Prostate Cancer Research Through Improved Tissue Sampling and Biobanking
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Dimensional study of prostate cancer using stereological tools.

Luis Santamaría1, Ildefonso Ingelmo2, Fernando Teba3

  • 1Department of Anatomy, Histology, and Neuroscience, School of Medicine, Autonomous University of Madrid, Madrid, Spain.

Journal of Anatomy
|August 6, 2021
PubMed
Summary

Prostate cancer acini show increased epithelial volume and branching compared to normal glands. Tumor cells are larger and less numerous per unit length, indicating significant dimensional changes in prostate cancer.

Keywords:
acinar length densityprostate cancerrelative volumesstereologysurface densities

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Area of Science:

  • Urologic Pathology
  • Cancer Biology
  • Stereology

Background:

  • Prostate cancer involves significant cellular and glandular alterations.
  • Understanding these dimensional changes is crucial for diagnosis and treatment.

Purpose of the Study:

  • To quantitatively analyze dimensional variations in prostate cancer acini.
  • To correlate these changes with epithelial proliferative activity.

Main Methods:

  • Stereology was applied to estimate volume, length, surface, and cellular densities of normal and tumor acini.
  • Immunohistochemistry for cytokeratin 18 visualized acini.
  • Proliferative cell nuclear antigen (PCNA) expression was measured.

Main Results:

  • Epithelial fraction of acinar volume was higher in cancer.
  • Cancer acini had smaller lumens but increased length density and branching.
  • Fewer epithelial cells per unit length were observed in neoplastic glands.
  • Increased mean cell volume of tumor cells explained cell dilution.

Conclusions:

  • Prostate cancer exhibits distinct architectural and cellular dimensional changes.
  • Increased glandular branching and cell size are key features of prostate tumors.
  • Stereology provides valuable insights into cancer-associated morphometric alterations.