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Environmental pollution and malignant lymphomas: a tentative contribution to geographic pathology
I Hatzissabas1, G R Krueger, J R Medina
1Department of Urology, Clinical Center Niederberg, Velbert, Germany.
Anticancer Research
|March 1, 1993
Summary
Malignant lymphoma distribution varies geographically, with distinct subtypes linked to environmental factors like farming, industrial pollution, and nutritional deficiencies. These findings suggest environmental cofactors play a role in lymphoma development.
Area of Science:
- Oncology
- Epidemiology
- Environmental Health
Background:
- Malignant lymphomas exhibit varied geographic distributions.
- Understanding these patterns may reveal environmental influences on pathogenesis.
Purpose of the Study:
- To analyze the geographic distribution of malignant lymphomas.
- To correlate lymphoma subtypes with regional socio-economic and environmental characteristics.
- To investigate potential environmental cofactors in lymphoma development.
Main Methods:
- Analysis of 2,878 uniformly classified malignant lymphoma cases.
- Inclusion of 2,349 cases from existing literature.
- Comparison of histological lymphoma entities with geographic and socio-economic data.
Main Results:
- Small cell lymphocytic lymphomas are more common in European populations and farming regions.
- Germinal center cell lymphomas are prevalent in "underdeveloped" countries.
- Large cell (immunoblastic) lymphomas are characteristic of industrial areas.
- Chronic lymphocytic leukemia (CLL) shows lower incidence in Asia compared to Europe.
- Environmental factors like pesticide use, nutritional deficiencies, and industrial pollution are suggested cofactors.
Conclusions:
- Geographic distribution of malignant lymphomas suggests distinct etiological patterns.
- Environmental factors, including agricultural chemicals, nutritional status, and industrial pollutants, are implicated in lymphoma pathogenesis.
- Further research into environmental cofactors is warranted for understanding and preventing malignant lymphomas.