Preferred Label : Percent Free Prostate-Specific Antigen;
NCIt related terms : free PSA;
NCIt definition : PSA circulates in the blood in two forms: free or attached to a protein molecule.
With benign prostate conditions, there is more free PSA, while cancer produces more
of the attached form. A more accurate predictor of cancer than either a patient's
age or his total PSA level. (from Cancer Information Service);
Alternative definition : NCI-GLOSS: 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).The amount of PSA attached to other proteins
is higher in men with prostate cancer.;
Codes from synonyms : CDR0000651197;
Origin ID : C20042;
UMLS CUI : C1518962;
Currated CISMeF NLP mapping
- Semantic type(s)
- related_to_genetic_biomarker
