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Increasing Incidence of Prostate Cancer in the Atlanta VA Cohort Study
David Rimland*1 and J Guest2
1VAMC and Emory Univ Sch of Med, Atlanta, GA, US and 2VAMC, Atlanta, GA, US
Background: The widespread use of ART has resulted in a significant
increase in life expectancy of HIV-infected persons. Several non-AIDS-defining
malignancies have emerged as significant problems, but there are few data about
the incidence of prostate cancer or guidelines for screening in this
population.
Methods: We reviewed all diagnoses of prostate cancer in the HIV Atlanta
Veterans Administration Cohort Study (HAVACS), a prospective study of 2999
patients followed since 1982. We also determined changes in potential risk
factors including race and age, and trends in prostate-specific antigen (PSA)
testing.
Results: A total of 27 patients have been diagnosed with prostate
cancer since 1982; 17 cases occurred since 2003. The incidence since 2003 is
4.6 cases per 1000 compared with 1.0 cases per 1000 before 2003 (p <0.00006). All but 4 were >50
years old at the time of diagnosis. African Americans accounted for 22 of 27
cases (81.5%). Of interest, prostate cancer was diagnosed before HIV in 6
patients (range of 4 months to 16 years). For those with a preceding HIV
diagnosis, the average time of cancer diagnosis was almost 10 years after HIV
diagnosis. For these same patients the mean CD4 and HIV viral load at the time
of prostate cancer diagnosis was 432 cells/mm3 and 2055 copies/mL, respectively. The PSA value was >4.0 ng/mL in all cases (range 4.1 to 30.6, mean 11.6). Standard
screening of this population with PSA testing for those age >50 has been
stable for many years. The rate of testing for PSA increased markedly since
1997, corresponding to a rapidly growing population over age 50 (see the figure).
Conclusions: Prostate cancer should be added to the malignancies now
being seen in HIV-infected patients. The known risk factors of age and race
appear to remain the same regardless of HIV status.

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