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2. Prostate-specific antigen - Wikipedia

   en.wikipedia.org/wiki/Prostate-specific_antigen

   Use of PSA screening tests is also controversial due to questionable test accuracy. The screening can present abnormal results even when a man does not have cancer (known as a false-positive result), or normal results even when a man does have cancer (known as a false-negative result). [13] False-positive test results can cause confusion and ...

3. Prostate cancer screening - Wikipedia

   en.wikipedia.org/wiki/Prostate_cancer_screening

   Used in conjunction with a PSA test, the PSE test boosts accuracy from 55% to 94% offering a more effective and precise method for detecting and diagnosing prostate cancer. [45] The 4Kscore combines total, free and intact PSA together with human kallikrein 2. [46] It is used to try to determine the risk of a Gleason score greater than 6. [46]

4. New Urine Test for Prostate Cancer May Help Reduce ...

   www.aol.com/lifestyle/urine-test-prostate-cancer...

   PSA testing is known to result in false positives, which can lead to anxiety and stress, so doctors have sought out other tests, such as biomarker tests, to improve accuracy. PSA is naturally ...

5. Tumor marker - Wikipedia

   en.wikipedia.org/wiki/Tumor_marker

   Screening for cancers; No screening test is wholly specific, and a high level of tumor marker can still be found in benign tumors. The only tumor marker currently used in screening is PSA (prostate-specific antigen). Diagnostics; Tumor markers alone can't be used for diagnostic purposes, due to lack of sensitivity and specificity. [5]

6. Prostate cancer - Wikipedia

   en.wikipedia.org/wiki/Prostate_cancer

   Prostate cancer is the uncontrolled growth of cells in the prostate, a gland in the male reproductive system below the bladder.Abnormal growth of prostate tissue is usually detected through screening tests, typically blood tests that check for prostate-specific antigen (PSA) levels.

7. Prostate biopsy - Wikipedia

   en.wikipedia.org/wiki/Prostate_biopsy

   PSA screening is controversial as PSA may become elevated due to non-cancerous conditions such as benign prostatic hyperplasia (BPH), by infection, or by manipulation of the prostate during surgery or catheterization. Additionally many prostate cancers detected by screening develop so slowly that they would not cause problems during a man's ...