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Exposure to radon and heavy particulate pollution and incidence of brain tumors

机译:Exposure to radon and heavy particulate pollution and incidence of brain tumors

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摘要

Background. Global incidence for brain tumors varies substantially without explanation. Studies correlating radon exposure and incidence are inconclusive. Particulate pollution has been linked to increased tumor incidence. Particulates may disrupt the blood-brain barrier allowing intracranial exposure to oncogenic radon. We investigated the relationship between exposure to residential radon, particulate pollution, and brain tumor incidence in the United States (US). Methods. County-level median radon testing results and annual air quality index values were obtained and divided into tertiles. Counties without both values were excluded. Four groups of counties were generated: high particu-late/high radon (high/high), high/low, low/high, and low/low. Using incidence data from the Central BrainTumor Registry of the US (provided by CDC's National Program of Cancer Registries and NCI's SEER), annual age-adjusted incidence rates (AAAIRs) by group were generated by behavior. Incidence rate ratios were calculated to examine for significant differences (a = .05). Poisson regression accounting for possible confounders was conducted. Results. Counties with available data included 83% of the US population. High/high exposure was significantly associated with increased AAAIR of all non-malignant tumors (up to 26% higher, including most meningiomas) even after accounting for potential confounders. An increased AAAIR was noted for all malignant tumors (up to 10% higher), including glioblastoma, but was negated after accounting for demographic/socioeconomic differences. Conclusions. We present the first report suggesting increased non-malignant brain tumor incidence in regions with high particulate and radon exposure.These findings provide insight into unexplained variation in tumor incidence. Future studies are needed to validate these findings in other populations.

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  • 来源
    《Neuro-oncology》 |2023年第2期|407-417|共11页
  • 作者单位

    Department of Radiation Oncology at the Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA;

    Central Brain Tumor Registry of the United States, Hinsdale, Illinois, USA, Trans Divisional Research Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA;

    Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University School of Medicine, Cleveland, Ohio, USABrain and SpineTumor Center, Northwestern Medicine Cancer Center and Proton Center, Warrensville, Illinois, USADepartment of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USADepartment of Radiation Oncology, University of Maryland, Baltimore, Maryland, USACentral Brain Tumor Registry of the United States, Hinsdale, Illinois, USA, Trans Divisional Research Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA, Center for Biomedical Informatics and InformatCentral Brain Tumor Registry of the United States, Hinsdale, Illinois, USA, Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina, USA, The Preston RobertTisch Brain Tumor Center, Duke University School of Medicine, DurhamDepartment of Radiation Oncology, Mayo Clinic Florida, Jacksonville, Florida, USA;

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  • 原文格式 PDF
  • 正文语种 英语
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  • 关键词

    air pollution; brain tumors; incidence; meningioma; radon;

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