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  1. Positron emission tomography scan - Mayo Clinic

    Apr 16, 2025 · A positron emission tomography (PET) scan is an imaging test that can help reveal the metabolic or biochemical function of the body's tissues and organs. The PET scan uses a …

  2. PET Scan: What It Is, Types, Purpose, Procedure & Results

    What is a PET scan? A positron emission tomography (PET) scan is an imaging test that produces images of your organs and tissues at work. The test uses a safe, injectable …

  3. PET Scan: Uses, Procedure, Risks, and Results - Healthline

    Sep 11, 2025 · A positron emission tomography (PET) scan is an imaging test that uses a special dye with radioactive tracers. Learn why it’s performed and how to prepare.

  4. Positron emission tomography - Wikipedia

    Positron emission tomography (PET) [1] is a functional imaging technique that uses radioactive substances known as radiotracers to visualize and measure changes in metabolic processes, …

  5. PET Scan | Duke Health

    Cardiac PET scans can be used in several ways to evaluate cardiovascular disease and heart function. Blood flow to the heart can be viewed at rest and during exercise to diagnose …

  6. PET Scan: Purpose, Procedure, and Side Effects - Verywell Health

    Oct 10, 2025 · A positron emission tomography (PET) scan detects abnormal cell metabolism to diagnose cancer, heart disease, and brain disorders. Learn about the benefits of a PET scan …

  7. Understanding PET scans: Purpose, procedure and results | MD …

    A PET scan is an imaging exam that shows how your tissues and organs are working. It can help diagnose or guide the treatment of cancer and other medical conditions.

  8. PET Scan (Positron Emission Tomography) - WebMD

    Sep 15, 2024 · What Is a PET Scan? A positron emission tomography (PET) scan is a type of imaging study that can help doctors see what’s happening inside your body and how it’s working.

  9. Understanding PET Scan: Purpose, Risks, and Results - Health

    Dec 7, 2025 · A positron emission testing (PET) scan is a painless imaging test that uses a radioactive tracer to examine body functions. It's commonly used to diagnose cancer and …

  10. PET scan - NHS

    A PET scan is a test that uses a small amount of radiation to scan inside your body. It's used to diagnose and plan treatment for conditions such as cancer. You may be referred for a PET …