Standardized uptake value. The standardized uptake value (SUV) is a nuclear medicine term, used in positron emission tomography (PET) as well as in modern calibrated Single Photon Emission Tomography (SPECT) imaging for a (semi)quantitative analysis. Its use is particularly common in the analysis of F]fluorodeoxyglucose (F]FDG) images of cancer patients.
1). tumor-specific antigen. tumor-specific antigen (TSA) any cell-surface antigen of a tumor that does not occur on normal cells of the same origin. V antigen (Vi antigen) an antigen contained in the sheath of a bacterium, as Salmonella typhosa (the typhoid bacillus), and thought to contribute to its virulence.. any of several antigens, coded for by the viral genome, associated with transformation of infected cells by certain DNA tumor viruses. Called also tumor antigen. 2. an antigen present on human erythrocytes that is exposed by treatment with neuraminidase or contact with certain bacteria.
Carcinoembryonic antigen (CEA). This tumor marker may be found at elevated levels in people with different types of cancer, but it is most often associated with colorectal cancer. Read more about CEA and other tumor markers for gastrointestinal cancers.Prostate-specific antigen (PSA). PSA is a protein made by the prostate gland.his tumor marker may be found at elevated levels in people with different types of cancer, but it is most often associated with colorectal cancer. Read more about CEA and other tumor markers for gastrointestinal cancers. Prostate-specific antigen (PSA). PSA is a protein made by the prostate gland.