Hormonal exposures and the risk of intracranial meningioma in women: a population-based case-control study

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Hormonal exposures and the risk of intracranial meningioma in women: a population-based case-control study

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dc.contributor.author Custer, Brian en_US
dc.contributor.author Longstreth Jr., W.T. en_US
dc.contributor.author Phillips, Leslie E. en_US
dc.contributor.author Koepsell, Thomas D. en_US
dc.contributor.author Van Belle, Gerald en_US
dc.date.accessioned 2010-04-21T15:57:07Z
dc.date.available 2010-04-21T15:57:07Z
dc.date.issued 2006 en_US
dc.identifier.citation Custer B, Longstreth WT, Phillips L, Koepsell T, Van Belle G. Hormonal exposures and the risk of intracranial meningioma in women: a population-based case-control study. BMC Cancer. 2006;6(1):152. en_US
dc.identifier.other 10.1186/1471-2407-6-152 en_US
dc.identifier.uri http://www.biomedcentral.com/1471-2407/6/152 en_US
dc.identifier.uri http://hdl.handle.net/1773/15783
dc.description Professor. Authors Phillips, Koepsell, and Van Belle are also UW professors/researchers. en_US
dc.description.abstract Background: The role of exogenous hormone exposures in the development of meningioma is unclear, but these exposures have been proposed as one hypothesis to explain the over-abundance of such tumors in women. Methods: The association between oral contraception (OC) or hormone replacement therapy (HRT) and intracranial meningioma in women was investigated using a population-based, matched case-control study. Exposures for 143 cases and 286 controls matched on age within five years were obtained by interview. Diagnoses were confirmed histopathologically and estrogen and progesterone receptor assays conducted. Results: Although risk of meningioma appeared modestly elevated in past OC users (OR = 1.5, 95% CI 0.8 - 2.7), and in current users (OR = 2.5, 95% CI 0.5 - 12.6), the confidence intervals were wide. No significant association between meningioma risk and duration of OC use was found. Likewise, risk of meningioma was only weakly associated with past use of HRT (OR = 0.7, 95% CI0.4 - 1.3), and not at all with current use of HRT (OR = 1.0, 95% CI 0.5 - 2.2). Of 142 available specimens, 2 (1%) expressed estrogen receptors, whereas 130 (92%) expressed progesterone receptors (PR). OC use was associated with increased risk of a meningioma expressing less rather than more PR (OR = 3.2, 95% CI 1.3 - 8.0). Overall, in post menopausal women, HRT use appeared to confer a non-significant protective effect, and was not associated with low or high PR expressing meningiomas. Conclusion: This study found little evidence of associations between meningioma and exogenous hormone exposures in women but did suggest that some hormonal exposures may influence tumor biology in those women who develop meningioma. en_US
dc.description.sponsorship This study was funded by a grant (CA 60710) from the National Cancer Institute, Bethesda, Maryland, USA. en_US
dc.language.iso en_US en_US
dc.title Hormonal exposures and the risk of intracranial meningioma in women: a population-based case-control study en_US
dc.type Article en_US


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