Preprint Brief Report Version 1 This version not peer reviewed

Incidence of Breast, Prostate, Testicular and Thyroid Cancer in Italian Contaminated Sites with Presence of Substances with Endocrine Disrupting Properties

Version 1 : Received: 15 March 2017 / Approved: 16 March 2017 / Online: 16 March 2017 (06:42:22 CET)

How to cite: Benedetti, M.; Zona, A.; Beccaloni, E.; Carere, M.; Comba, P. Incidence of Breast, Prostate, Testicular and Thyroid Cancer in Italian Contaminated Sites with Presence of Substances with Endocrine Disrupting Properties. Preprints 2017, 2017030109 (doi: 10.20944/preprints201703.0109.v1). Benedetti, M.; Zona, A.; Beccaloni, E.; Carere, M.; Comba, P. Incidence of Breast, Prostate, Testicular and Thyroid Cancer in Italian Contaminated Sites with Presence of Substances with Endocrine Disrupting Properties. Preprints 2017, 2017030109 (doi: 10.20944/preprints201703.0109.v1).

Abstract

The aim of the present study was to investigate the incidence of breast (females), prostate, testicular and thyroid cancer in the Italian National Priority Contaminated Sites (NPCSs), served by cancer registries, where the presence of endocrine disruptors (EDs), reported to be linked to these tumors, was documented. Evidence of carcinogenicity of EDs present in NPCs was assessed based on evaluation by international scientific institutions/committees. Standardized Incidence Ratios (SIRs) were computed for each NPCS and cancer site with reference to the time window 1996-2005. Excess incidence of one or more cancer site at study was found in twelve out of fourteen NPCSs. Significantly increased SIRs were found for breast cancer in eight NPCSs, for prostate cancer in six, for thyroid cancer (both gender) in four and for testicular cancer in two. Non significantly increased SIRs were found in five NPCSs for testicular cancer and in two for thyroid cancer (males). Even if increased incidence of one or more cancer sites at study were found in several NPCSs, the ecological study design and the multifactorial etiology of the considered tumors do not allow reaching conclusions in terms of causal links with environmental contamination. In light of the observation of some excesses in SIRs, continuing epidemiological surveillance is warranted.

Subject Areas

cancer; incidence; endocrine disruptors; environmental exposure

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