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Related Experiment Videos

Vascularity in human adrenal cortex

H Sasano1, Y Ohashi, T Suzuki

  • 1Department of Pathology, Tohoku University School of Medicine, Sendai, Japan.

Modern Pathology : an Official Journal of the United States and Canadian Academy of Pathology, Inc
|May 13, 1998
PubMed
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Adrenocortical carcinomas show increased endothelial cell area and vascular area, suggesting enhanced cell proliferation, but not a higher number of microvessels compared to adenomas or normal adrenal tissue.

Area of Science:

  • Endocrinology
  • Oncology
  • Pathology

Background:

  • Angiogenesis is implicated in endocrine tumor growth and hormone secretion.
  • Vascularity in adrenocortical tumors has not been extensively studied.

Purpose of the Study:

  • To quantitatively assess vascularity in normal adrenal tissue, adrenocortical adenomas, and adrenocortical carcinomas.
  • To evaluate the role of angiogenesis in adrenocortical neoplasms.

Main Methods:

  • Immunohistochemical analysis using CD34 staining.
  • Quantitative image analysis with the CAS 200 system.
  • Measurement of vascular density (VD), endothelial area (EA), and vascular area (VA).

Main Results:

  • Adrenocortical carcinomas exhibited significantly higher EA and VA compared to adenomas and normal adrenal tissue.

Related Experiment Videos

  • No significant differences in vascular density (VD) were observed among the three groups.
  • Vascular parameters did not differ across adrenal zones or between functioning/non-functioning adenomas.

    • Conclusions:

    • Adrenocortical carcinoma is associated with increased endothelial cell proliferation (higher EA and VA) rather than an increased number of microvessels (VD).
    • These findings provide quantitative insights into the vascular characteristics of adrenocortical tumors.