PSA

PSA
Definition:
The PSA test measures the amount of PSA (prostate-specific antigen) in the blood.
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PSA test: Is it necessary after age 75?
Q.
My 75-year-old father recently had a physical exam, and his doctor told him it was no longer necessary to have his PSA level checked. Is this true?
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PSA Blood Test
Prostate-specific antigen (PSA) is a glycoprotein in the cytoplasm of prostatic epithelial cells. It can be detected in the blood of all adult men.
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PSA levels alone do not give doctors enough information to distinguish between benign prostate conditions and cancer.
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The PSA test measures the level of prostate specific antigen in your blood. PSA is an enzyme that is produced by a man's prostate gland.
Why is this test done?
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The PSA test remains a controversial screening tool for prostate cancer, but there is little doubt on its value for helping with treatment decisions. Learn what you need to know about PSA.
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Definition of Test, PSA
Test, PSA: See: PSA.
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PSA Blood Test
To rule out cancer, your doctor may recommend a PSA blood test. The amount of PSA, a protein produced by prostate cells, is often higher in the blood of men who have prostate cancer.
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PSA is used mainly as a screening test for cancer of the prostate. In men who have been diagnosed with prostate cancer, ...
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PSA blood test - a blood sample is tested for its level of prostate-specific antigen (PSA), a high level may suggest prostate cancer, however it may also be due to a less harmful cause.
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PSA testing is used for the early detection of prostate cancer. This article looks at the results of screening programmes and new advances in testing.
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PSA 4000 anesthesia monitoring system Anesthetic system indicated for monitoring and managing the level of consciousness of a patient during surgery based on EEG readings. Mfg: Physiometrix, Inc. Source: PR Newswire - 07/06/2000.
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APSAC (Anistreplase)
Aquabid-DM (Antitussive/Expectorant)
(Oral)
Aquachloral Supprettes (Chloral Hydrate )
(Systemic) ...
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A raised PSA can be an early indication of prostate cancer. However, other conditions which are not cancer (enlargement of the prostate, prostatitis, urinary infection) can also cause a rise in PSA.
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Since 1986, however, a blood test for a tumor marker called prostate-specific antigen (PSA) has greatly increased the number of early-stage prostate cancers diagnosed. An elevated level of PSA can indicate the presence of prostatic malignancy.
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Other specific screening tests (PSA, prostate surface antigen) are helpful for diagnosing prostate cancer. Cardiovascular diseases can be detected by medical check-up. Blood pressure and cholesterol levels can be measured.
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Another tool for identifying those with prostate cancer is a blood test called prostate specific antigen or PSA. This test is also not perfect in that PSA blood levels can be abnormally elevated by several non-cancerous conditions.
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A careful, but relatively simple, rectal examination can reveal if cancer is developing in this organ. There are also other screening methods, and PSA (prostate-specific antigen) appears to be the best.
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The results of a digital rectal exam (DRE) and a prostate-specific antigen (PSA) blood test can indicate that prostate cancer may be present. A biopsy of tissue from the prostate gland is needed to definitively diagnose prostate cancer.
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Examples of biomarkers include CA 125 (ovarian cancer), CA 15-3 (breast cancer), CEA (ovarian, lung, breast, pancreas, and gastrointestinal tract cancers), and PSA (prostate cancer). Also called tumor marker.
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Prognosis The projected outcome of a disease; the life expectancy. PSA (Prostate-specific antigen) A marker used to determine prostate disease; it may be benign or malignant. Prosthesis Artificial replacement of a missing body part.
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