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Iran Red Crescent Med J. 2012 Jun;14(6):337-44. Epub 2012 Jun 30.

The Relationship between Exposure to Pesticides and the Occurrence of Lymphoid Neoplasm.

Author information

1
Department of Internal Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.

Abstract

BACKGROUND:

The etiology of malignant lymphoma is still largely unknown. This study determines the relationship between exposure to pesticides and the occurrence of lymphoid neoplasms in Shiraz, Southern Iran.

METHODS:

Between 2007 and 2008, in a case control study conducted in Nemazee Hospital in Shiraz, Southern Iran, 200 subjects diagnosed with lymphoma according to the World Health Organization (WHO) classification were enrolled. Controls (n=200) were frequency matched to the cases by sex, age, and center. Subjects who were a farmer were compared with all other occupations.

RESULTS:

Out of the 200 cases that were diagnosed as lymphoid neoplasms, 100 were non-Hodgkin's lymphoma, 54 Hodgkin's lymphoma and 46 multiple myeloma. Seventy two percent of the NHL's were of the B-cell type, 15% of the T-cell type and the rest were not classified. Furthermore, subjects exposed to pesticides were at an increased risk of non-Hodgkin lymphoma and MM, but not Hodgkin lymphoma.

CONCLUSION:

Risk of non-Hodgkin lymphoma and MM was highest for exposure to pesticides, among them, insecticide's risk was confirmed.

KEYWORDS:

Exposure; Hodgkin lymphoma; Multiple myeloma; Non-Hodgkin lymphoma; Pesticide

PMID:
22924112
PMCID:
PMC3420024
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