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prostate-specific antigen

also called PSA. A protein made by the prostate gland. Levels of PSA in the blood often go up in men with prostate cancer as well as other conditions. The PSA test is sometimes used to help screen for prostate cancer, and PSA levels are part of what determine the stage of a prostate cancer. The test can also be used to check the results of treatment, to look for possible cancer recurrence, and to help monitor advanced prostate cancer. See also prostate.

What tests can detect prostate cancer?

... (A biopsy uses needles to take samples from the prostate and looking at the
cells under a microscope.). Prostate-specific antigen (PSA) blood test. ...

http://www.cancer.org/cancer/prostatecancer/moreinformation/prostatecancerearlydetection/prostate-cancer-early-detection-tests

Can prostate cancer be found early?

... Prostate-specific antigen (PSA) blood test. Prostate-specific antigen (PSA)
is a substance made by cells in the prostate gland ...

http://www.cancer.org/cancer/prostatecancer/detailedguide/prostate-cancer-detection

American Cancer Society Guideline for the Early Detection of ...

... Emerging evidence that periodic testing with prostate-specific antigen (PSA)
may reduce the likelihood of dying from prostate cancer must be ...

http://pressroom.cancer.org/download/2010+prostate+cancer+early+detection+guidelines.pdf

Prostate Cancer Screening

... Beginning at age 50, all men should talk to their doctors about having a digital
rectal exam (DRE) and a prostate-specific antigen (PSA) blood test ...

http://www.cancer.org/acs/groups/content/@highplains/documents/document/05junepdf.pdf

Overdiagnosis of Prostate Cancer Widespread, Study Finds

... been diagnosed with prostate cancer has increased, due in large part to
widespread screening using the prostate-specific antigen (PSA) blood test. ...

http://www.cancer.org/cancer/news/news/overdiagnosis-of-prostate-cancer-widespread-study-finds

Saved this Article

... If your doctor thinks that prostate cancer is likely (based on your findings on
rectal exam or prostate-specific antigen [PSA] blood test), he or she ...

http://www.cancer.org/treatment/understandingyourdiagnosis/understandingyourpathologyreport/prostatepathology/benign-prostate-disease-pathology

New Prostate Cancer Drug Shows Promise

... After taking the drug, 70% to 80% of the men showed lower
prostate-specific antigen (PSA) levels and tumor shrinkage. ...

http://www.cancer.org/cancer/news/news/new-prostate-cancer-drug-shows-promise

Following PSA levels during and after treatment

... after treatment. The prostate-specific antigen (PSA) level is often a good
indicator of how effective treatment is or has been. ...

http://www.cancer.org/cancer/prostatecancer/detailedguide/prostate-cancer-treating-p-s-a-levels-after-treatment

Can prostate cancer be found early?

... Prostate-specific antigen (PSA) blood test. Prostate-specific antigen (PSA)
is a substance made by cells in the prostate gland ...

http://www.cancer.org/cancer/prostatecancer/detailedguide/prostate-cancer-detection?sitearea=

Study Questions Benefit of PSA Tests

... Summary: Screening for prostate cancer by measuring blood levels of
prostate-specific antigen (PSA) doesn't cut down on deaths from the disease ...

http://www.cancer.org/cancer/news/news/study-questions-benefit-of-psa-tests