Wednesday, May 23, 2018

AUA 2018: The Impact of Agent Orange Exposure on Bladder Cancer

San Francisco, CA ( Agent Orange is a mixture of herbicides that were used during the Vietnam War to clear forest coverage that concealed opposition forces. Although early studies suggested that Agent Orange increases the risk of prostate cancer [1], more contemporary studies suggest that a correlation between Agent Orange exposure and risk of prostate cancer is not as concrete [2].  Less studied, is the potential impact of Agent Orange exposure and increased risk of bladder cancer. However, in 2014, the National Academy of Sciences reported that epidemiologic data was suggestive of an association between bladder cancer and Agent Orange exposure, based on evidence that higher levels of exposure are associated with an approximately 2-fold increase in death from bladder cancer (although as of 2016, it has since backed off of these concrete statements). To further assess a potential association between Agent Orange exposure and bladder cancer, Vikram Narayan, MD, and colleagues from the University of Minnesota presented results of their institutional study. As Vikram points out, there is little data regarding whether a perceived association between Agent Orange and bladder cancer is secondary to increased incidence, more aggressive disease or other factors, as well as taking into account prior/present tobacco use.

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