In a study from the University of Sydney, scientists found melanoma diagnosis is linked to an increased risk of subsequent prostate cancer.
They recruited men from 2006 to 2009 to examine the association between cutaneous melanoma and subsequent risk of prostate cancer.
Data were included from 96,548 eligible men, of whom 1,899 were diagnosed with melanoma during the melanoma diagnosis period. During follow-up, 3,677 incident prostate cancers were diagnosed.
The researchers found that the risk of a subsequent prostate cancer diagnosis was increased for men with a melanoma diagnosis versus those with no melanoma.
They found weak evidence for higher risks of a subsequent prostate cancer diagnosis for men diagnosed with more than one versus one melanoma.
The association was also seen if the first melanoma diagnosis was 10 to 15 years before study recruitment.
The study is the first to show that the positive association between melanoma and the subsequent risk of prostate cancer diagnosis is unlikely to be due to confounding from increased medical surveillance after a melanoma diagnosis
The positive association remained strong even after the over-adjustment for the rate of prostate-specific antigen monitoring tests.
If you care about prostate cancer, please read studies about 5 types of bacteria linked to aggressive prostate cancer and a new strategy to treat advanced prostate cancer.
For more information about prostate cancer, please see recent studies about a new way to lower the risk of prostate cancer spread, and results showing three-drug combo boosts survival in metastatic prostate cancer.
The study was conducted by Sam Egger et al and published in the British Journal of Cancer.
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