Impacts of land use on spatial distribution of mortality rates of cancers caused by naturally occurring asbestos

Wei, Binggan; Jia, Xiaofang; Ye, Bixiong; Yu, Jiangping; Zhang, Biao; Zhang, Xiuwu; Lu, Rongan; Dong, Tao; Yang, Linsheng

doi:10.1038/jes.2012.63

Cited by 12 publications

(10 citation statements)

References 34 publications

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“…This finding is consistent with the finding of Wei et al , who found that mortality from cancer may be higher in areas with high proportions of agricultural land or in built-up areas than elsewhere [5]. In this study, land used for industrial plants was classified as built-up land.…”

Section: Discussionsupporting

confidence: 92%

“…The high mortality rates associated with nasopharyngeal, lung, intestinal, and mesothelioma cancers have shown significant associations with two land use types agricultural and urban [5]. Relevant studies have indicated that heavy metal enrichment in soil is associated with human activities, especially in built-up areas and on agricultural land [6,7,8,9,10].…”

Section: Introductionmentioning

confidence: 99%

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Assessing and Mapping Spatial Associations among Oral Cancer Mortality Rates, Concentrations of Heavy Metals in Soil, and Land Use Types Based on Multiple Scale Data

Lin

Wang

et al. 2014

IJERPH

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In this study, a deconvolution procedure was used to create a variogram of oral cancer (OC) rates. Based on the variogram, area-to-point (ATP) Poisson kriging and p-field simulation were used to downscale and simulate, respectively, the OC rate data for Taiwan from the district scale to a 1 km × 1 km grid scale. Local cluster analysis (LCA) of OC mortality rates was then performed to identify OC mortality rate hot spots based on the downscaled and the p-field-simulated OC mortality maps. The relationship between OC mortality and land use was studied by overlapping the maps of the downscaled OC mortality, the LCA results, and the land uses. One thousand simulations were performed to quantify local and spatial uncertainties in the LCA to identify OC mortality hot spots. The scatter plots and Spearman’s rank correlation yielded the relationship between OC mortality and concentrations of the seven metals in the 1 km cell grid. The correlation analysis results for the 1 km scale revealed a weak correlation between OC mortality rate and concentrations of the seven studied heavy metals in soil. Accordingly, the heavy metal concentrations in soil are not major determinants of OC mortality rates at the 1 km scale at which soils were sampled. The LCA statistical results for local indicator of spatial association (LISA) revealed that the sites with high probability of high-high (high value surrounded by high values) OC mortality at the 1 km grid scale were clustered in southern, eastern, and mid-western Taiwan. The number of such sites was also significantly higher on agricultural land and in urban regions than on land with other uses. The proposed approach can be used to downscale and evaluate uncertainty in mortality data from a coarse scale to a fine scale at which useful additional information can be obtained for assessing and managing land use and risk.

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Section: Discussionsupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Assessing and Mapping Spatial Associations among Oral Cancer Mortality Rates, Concentrations of Heavy Metals in Soil, and Land Use Types Based on Multiple Scale Data

Lin

Wang

et al. 2014

IJERPH

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“…The above considerations are supported by the results of an investigation recently conducted in the Dayao area, China (Wei et al, 2012). The study showed that naturally occurring asbestos may significantly elevate the mortality rates of various malignancies, including nasopharyngeal and laryngeal cancer, intestinal cancer, lung cancer and mesothelioma.…”

Section: Discussionsupporting

confidence: 68%

Malignant Mesothelioma in Eastern Asia

Bianchi¹,

Bianchi²

2012

Asian Pacific Journal of Cancer Prevention

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Relatively low numbers of malignant mesotheliomas have been reported from Eastern Asia. In order to explore the causes of this fact, the available data on mesothelioma incidence/mortality in five countries (Japan, South Korea, Taiwan, Hong Kong, and Singapore) were reviewed. Data on the industrial histories of the above countries were also examined. Mesothelioma incidence was low, despite a history of high shipbuilding and port activities, in which heavy exposure to asbestos generally has occurred. Underestimation of mesothelioma could partly explain the above discrepancy. Moreover, in some areas a sufficient latency period for mesothelioma development may have not yet elapsed, due to recent industrialization. However, other possibilities have to be considered. The cancer epidemiology in Eastern Asia differs deeply from that seen in Western countries, an indication of differences in etiologic factors of cancer as well as in co-factors. In addition, the oncogenic spectrum of asbestos is wide, and not completely defined. In a very different milieu from that of Western countries, asbestos could preferentially hit targets other than serosal membranes.

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“…This is not a classic asbestos exposure occupation, so the presumed aetiology was either incidental environmental exposure or idiopathic [11]. Previous autopsy studies have documented metastases in 50% of cases of both pleural and peritoneal mesothelioma, with common sites being the lymph nodes, lung, liver, pleura, bone, adrenal glands and heart [4].…”

Section: Discussionmentioning

confidence: 99%

Conjunctival Metastasis from Pleural Mesothelioma

Chung

Mudhar

2014

Ocul Oncol Pathol

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Purpose of the Study: To describe the ophthalmic and pathological features of a conjunctival tumour in a 76-year-old male with terminal pleural mesothelioma who developed a rapidly growing mass on the bulbar conjunctiva. Procedures: The patient presented with a rapidly growing, pink nodule on the right nasal bulbar conjunctiva. His past medical history included biopsy-confirmed pleural malignant mesothelioma treated unsuccessfully with chemoradiotherapy. By the time he presented with his ocular signs, the systemic management plan was palliative. An incisional biopsy of the conjunctival lesion was performed, stained with haematoxylin and eosin and exposed to immunohistochemistry. Results: The histology showed a solid and pseudo-papillary tumour. The tumour was positive for cytokeratin (AE1/AE3), calretinin, WT1 and mesothelin, confirming metastatic mesothelioma to the conjunctiva. Conclusions and Message of the Paper: The clinical features mimicked metastatic carcinoma, and furthermore, the tumour's immunohistochemical positivity for cytokeratin could have led to an erroneous diagnosis of carcinoma rather than mesothelioma. The two key messages are (1) that metastatic mesothelioma can mimic metastatic carcinoma clinically and (2) that any cytokeratin-positive, rapidly growing conjunctival tumour with unusual morphology should be stained immunohistochemically with a mesothelioma panel to exclude metastatic mesothelioma.

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Impacts of land use on spatial distribution of mortality rates of cancers caused by naturally occurring asbestos

Cited by 12 publications

References 34 publications

Assessing and Mapping Spatial Associations among Oral Cancer Mortality Rates, Concentrations of Heavy Metals in Soil, and Land Use Types Based on Multiple Scale Data

Assessing and Mapping Spatial Associations among Oral Cancer Mortality Rates, Concentrations of Heavy Metals in Soil, and Land Use Types Based on Multiple Scale Data

Malignant Mesothelioma in Eastern Asia

Conjunctival Metastasis from Pleural Mesothelioma

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