Abstract
Epidemiology of prostate cancer (PCa) in French Guyana (FG) is not well documented yet. It differs from the reported one in French West Indies due to a younger population, less exposed to agricultural pesticides with also much lower level of medical information and care. The incidence and mortality rates available in the regional register of cancers are reported for the period 2010-2014. The characteristics of 242 consecutive prostate biopsy series performed between 2017 January and 2019 October for abnormal digital rectal examination (DRE) and/or PSA>4ng/mL are also described. PCa incidence in FG is 94.4°/°°°° and specific mortality 16.9°/°°°°. Among the biopsies, 77.7% (188/242) are positive with a mean PSA of 72.6ng/mL (1-4000) at a mean age of 66years (50-89), 34% (64/188) with an abnormal DRE, 12.3% (23/188) with a PSA>50ng/mL and 28.2% (53/188) with a Gleason score≥8. In spite of young population, less exposure to environmental risk factors and high rate of racial mixing, the early PCa diagnosis is still a challenge in FG. The observed incidence and mortality rates suggest underestimation of PCa cases and too late specific care what is also suggested by adverse pathological and biological characteristics of the tumors at the time of diagnosis. 3.
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