Prostate-Specific Antigen (PSA) Test - NCI - National Cancer Institute
Prostate-specific antigen, or PSA, is a protein produced by normal, as well as malignant, cells of the prostate gland. Both prostate cancer and several benign conditions (particularly benign prostatic hyperplasia, or BPH, and prostatitis) can cause PSA levels in the blood to rise. The PSA test measures the level of PSA in the blood.
Definition of PSA - NCI Dictionary of Cancer Terms
A protein made by the prostate gland and found in the blood. PSA blood levels may be higher than normal in men who have prostate cancer, benign prostatic hyperplasia (BPH), or infection or inflammation of the prostate gland. Also called prostate-specific antigen.
Understanding Prostate Changes - NCI - National Cancer Institute
2024年5月8日 · Learn about prostate changes and symptoms that are not cancer, plus risk factors and treatment for prostatitis, enlarged prostate (BPH), prostate cancer. Talk with your doctor about prostate cancer screening tests (DRE, PSA).
PSA - Surveillance, Epidemiology, and End Results Program
Definition A protein made by the prostate gland and found in the blood . PSA blood levels may be higher than normal in men who have prostate cancer , benign prostatic hyperplasia ( BPH ), or infection or inflammation of the prostate gland .
PSA density - Surveillance, Epidemiology, and End Results Program
Definition Determined by dividing the prostate-specific antigen ( PSA ) level by the prostate size. A higher PSAD indicates a greater likelihood of cancer .
Prostate-specific antigen (PSA) screening prevalence within the …
Definition for PSA test within the past year (2011 and forward): For PSA test within the past year, a man aged 55-69 must have reported having at least one PSA test in his life. Furthermore, he should have had the most recent one within the past year by the time of interview.
Definición de prueba de PSA - Diccionario de cáncer del NCI
Prueba de laboratorio que mide la cantidad de antígeno prostático específico (PSA) que se encuentra en la sangre. El PSA es una proteína que elabora la próstata. La cantidad de PSA puede ser más alta en los hombres que tienen cáncer de próstata, hiperplasia prostática benigna (HPB) o infección o inflamación de la próstata.
Definition of free PSA - NCI Dictionary of Cancer Terms
The amount of the protein prostate-specific antigen (PSA) in the blood that is not attached to other proteins. It is compared with the amount of PSA in the blood that is attached to other proteins. The amount of free PSA is higher in men with benign prostatic hyperplasia (BPH).
Definition of PCA3 mRNA test - NCI Dictionary of Cancer Terms
A laboratory test that measures the amount of genetic material called PCA3 mRNA and PSA mRNA in the first urine sample after a digital rectal examination. PCA3 mRNA and PSA mRNA are made by normal prostate cells and prostate cancer cells but are made in higher amounts by prostate cancer cells.
Definition of PSA bounce - NCI Dictionary of Cancer Terms
A brief rise and then fall in the blood level of PSA (prostate-specific antigen) that occurs in some patients 1-3 years after receiving radiation treatment for prostate cancer. PSA bounce does not mean that the cancer has come back.