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Prostate- Specific Antigen - test used in screening for prostate cancer

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  • Prostate cancer — is a disease in which cancer develops in the prostate, a gland in the male reproductive system. It occurs when cells of the prostate mutate and begin to multiply out of control. These cells may spread (metastasize) from the prostate to other… …   Wikipedia

  • Test, prostate specific antigen — A test used to screen for cancer of the prostate and to monitor treatment. PSA is a protein produced by the prostate gland. Although most PSA is carried out of the body in semen, a very small amount escapes into the blood stream. The PSA test is… …   Medical dictionary

  • Prostate specific antigen — (PSA) is a protein produced by the cells of the prostate gland. PSA is present in small quantities in the serum of normal men, and is often elevated in the presence of prostate cancer and in other prostate disorders. A blood test to measure PSA… …   Wikipedia

  • Prostate cancer screening — is an attempt to identify individuals with prostate cancer in a broad segment of the population mdash;those for whom there is no reason to suspect prostate cancer. There are currently two methods used: One is the digital rectal examination (DRE) …   Wikipedia

  • prostate-specific antigen — n a protease that is secreted by the epithelial cells of the prostate and is used in the diagnosis of prostate cancer since its concentration in the blood serum tends to be proportional to the clinical stage of the disease abbr. PSA * * * (PSA) a …   Medical dictionary

  • prostate cancer — Malignant tumour of the prostate gland. Prostate cancer commonly occurs in men over age 50. Symptoms include frequent or painful urination, blood in the urine, sexual dysfunction, swollen lymph nodes in the groin, and pain in the pelvis, hips,… …   Universalium

  • Early prostate cancer antigen-2 — (EPCA 2) is a protein of which blood levels are elevated in prostate cancer. It appears to provide more accuracy in identifying early prostate cancer than the standard prostate cancer marker, PSA. EPCA 2 is not the name of a gene. EPCA 2 gets its …   Wikipedia

  • Antigen, prostate specific (PSA) — A test used to screen for cancer of the prostate and to monitor treatment. PSA is a protein produced by the prostate gland. Although most PSA is carried out of the body in semen, a very small amount escapes into the blood stream. The PSA test is… …   Medical dictionary

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • antigen — Any substance that, as a result of coming in contact with appropriate cells, induces a state of sensitivity and/or immune responsiveness after a latent period (days to weeks) and that reacts in a demonstrable way with antibodies and/or immune… …   Medical dictionary

  • Colorectal cancer — Classification and external resources Diagram of the lower gastrointestinal tract ICD 10 C …   Wikipedia

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