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Intra-tumoural microvessel density in human solid tumours.

J Hasan¹, R Byers, G C Jayson

¹Cancer Research UK Department of Medical Oncology, Christie Hospital, Wilmslow Road, Withington, Manchester M20 4BX, UK.

British Journal of Cancer

|June 27, 2002

Summary

Tumor angiogenesis, measured by microvessel density, is a key prognostic factor in solid tumors. Standardization of immunohistochemistry methods is crucial for reliable assessment and guiding anti-cancer therapy.

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Area of Science:

Oncology
Pathology
Biomedical Engineering

Background:

Angiogenesis assessment is a significant prognostic and predictive factor in human solid tumors.
Endothelial markers enable quantitative studies in histological archival specimens.
Tumor microvessel density (TMD) is a measure of tumor angiogenesis.

Purpose of the Study:

To review the quantification of angiogenesis by immunohistochemistry.
To evaluate the relationship between tumor vascularity and metastasis.
To analyze clinicopathological studies correlating TMD with prognosis and anti-cancer therapy response.

Main Methods:

Review of quantitative studies using endothelial markers in histological specimens.
Immunohistochemistry techniques for assessing microvessel density.

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Analysis of methodologies for sample selection, immunostaining, vessel counting, and statistical analysis.

Main Results:

The majority of studies show a positive correlation between TMD and prognosis in solid tumors.
A minority of studies show no association, potentially due to methodological differences.
Methodological variations in sample selection, immunostaining, and analysis impact results.

Conclusions:

Standardization of techniques and endothelial antigens is needed for reliable TMD assessment.
Comparative studies are required to identify optimal methods.
Prospective studies are necessary to guide anti-cancer treatment based on microvessel density.