Full Citation
Title: Lymphoid malignancies in US Asians: incidence rate differences by birthplace and acculturation
Citation Type: Journal Article
Publication Year: 2011
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Abstract: Background: Malignancies of the lymphoid cells, including non-Hodgkin lymphomas (NHLs), Hodgkin lymphoma (HL) and multiple myeloma (MM), occur at much lower rates in Asians than other racial/ethnic groups in the United States (US). It remains unclear whether these deficits are explained by genetic or environmental factors. To better understand environmental contributions, we examined incidence patterns of lymphoid malignancies among populations characterized by ethnicity, birthplace, and residential neighborhood socioeconomic status (SES) and ethnic enclave status. Methods: We obtained data regarding all Asian patients diagnosed with lymphoid malignancies between 1988 and 2004 from the California Cancer Registry and neighborhood characteristics from US Census data. Results: While incidence rates of most lymphoid malignancies were lower among Asian than white populations, only follicular lymphoma (FL), chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), and nodular sclerosis (NS) HL rates were statistically significantly lower among foreign-born than US-born Asians, with incidence rate ratios ranging from 0.34 to 0.87. Rates of CLL/SLL and NS HL were also lower among Asian women living in ethnic enclaves or lower-SES neighborhoods than those living elsewhere. Conclusions: These observations support strong roles of environmental factors in the causation of FL, CLL/SLL, and NS HL. Impact: Studying specific lymphoid malignancies in US Asians may provide valuable insight towards understanding their environmental causes.
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Authors: et, al.; Glaser, Sally G.; Clarke, Christina A.; Gomez, Scarlett L.
Periodical (Full): Cancer Epidemiology, Biomarkers & Prevention
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Volume: 20
Pages: 1064-1077
Data Collections: IPUMS USA
Topics: Health, Race and Ethnicity
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