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What is a Prostate-Specific Membrane Antigen (PSMA) study?
A PSMA study is an imaging test to locate and determine the extent of prostate cancer.
PSMA studies are performed on newly diagnosed prostate cancer patients to determine if the disease has spread to pelvic lymph nodes. The study is also performed on patients who have had their prostate gland removed (prostatectomy) and have an increase in prostate-specific antigen (PSA) blood levels.
The study involves a special radio-active molecule that will bind to the prostate cancer cells. When injected into the patient’s bloodstream, the molecule travels and attaches to cancer cells. The gamma camera then produces three-dimensional images of the tumor and its location inside the body.
How is molecular imaging used for prostate cancer?
Physicians use molecular imaging to:
Advantages of Molecular Imaging