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Men without prostate cancer typically have PSA levels of under 4 nanograms per milliliter (ng/mL), according to the American Cancer Society. PSA levels between 4 and 10 suggest you could have ...
Prostate-specific antigen. Prostate-specific antigen (PSA) is secreted by the epithelial cells of the prostate gland and can be detected in a sample of blood. [14] PSA is present in small quantities in the serum of men with healthy prostates, but is often elevated in the presence of prostate cancer or other prostate disorders. [15]
Prostate cancer is a major topic of ongoing research. From 2016–2020, over $1.26 billion was invested in prostate cancer research, representing around 5% of global cancer research funds. [123] This places prostate cancer 10th among 18 common cancer types in funding per cancer death, and 9th in funding per disability-adjusted life year lost. [124]
Prostate cancer cells generally have variable or weak staining for PSA, due to the disruption of their normal functioning. Thus, individual prostate cancer cells produce less PSA than healthy cells; the raised serum levels in prostate cancer patients is due to the greatly increased number of such cells, not their individual activity.
Prostate cancer is the second most common cause of cancer death among men, according to the American Cancer Society. This year, the organization projects that about 300,000 new cases will be ...
Prostate-specific antigen testing is routinely used as the first step in the UK to investigate men with urinary symptoms. Prostate cancer test may lead to overdiagnosis in black men, study ...
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