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When else is the prostate-specific antigen test used?

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  • Although the prostate-specific antigen (PSA) test is used mainly to screen for prostate cancer, it is valuable in other situations: To guide treatment. Along with a doctor's exam and tumor stage, the PSA test can help determine how advanced a prostate cancer is. This may affect treatment options.
  • To determine treatment success. After surgery or radiation, the PSA level can be monitored to help determine if treatment was successful. PSA levels normally fall to very low levels if the treatment removed or destroyed all of the cancer cells. A rising PSA level can mean that prostate cancer cells are present and your cancer has come back.

SOURCES: 

New England Journal Of Medicine.

American Urological Association. 

National Cancer Institute. 

American Cancer Society. 

News release, U.S. Preventive Services Task Force.

Reviewed by Laura J. Martin on July 4, 2019

SOURCES: 

New England Journal Of Medicine.

American Urological Association. 

National Cancer Institute. 

American Cancer Society. 

News release, U.S. Preventive Services Task Force.

Reviewed by Laura J. Martin on July 4, 2019

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What can your prostate-specific antigen levels show?

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