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Positron emission tomography scan - Mayo Clinic
A positron emission tomography (PET) scan is an imaging test that can help reveal the metabolic or biochemical function of your tissues and organs. The PET scan uses a radioactive drug called a tracer to show both typical and atypical metabolic activity.
PET Scan: What It Is, Types, Purpose, Procedure & Results
2022年10月19日 · 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 radioactive chemical called a radiotracer and a device called a PET scanner.
PET Scan (Positron Emission Tomography) - WebMD
2024年9月15日 · A PET scan is a type of imaging that can show what’s happening in your body. Learn why you might need one, what makes it different from other types of imaging, how to get ready, and what to...
Positron emission tomography | Radiology Reference Article ...
2024年9月29日 · Positron emission tomography (PET) is a modern non-invasive imaging technique for quantification of radioactivity in vivo. It involves the intravenous injection of a positron-emitting radiopharmaceutical, waiting to allow for systemic distribution, and then scanning for detection and quantification of patterns of radiopharmaceutical ...
PET Scan: Definition, Purpose, Procedure, and Results - Healthline
2021年12月16日 · A positron emission tomography (PET) scan is an imaging test that allows your doctor to check for diseases in your body. The scan uses a special dye containing radioactive tracers.
PET/CT - Positron Emission Tomography/Computed Tomography
Positron emission tomography (PET) uses small amounts of radioactive materials called radiotracers or radiopharmaceuticals, a special camera and a computer to evaluate organ and tissue functions. By identifying changes at the cellular level, PET may detect the early onset of disease before other imaging tests can.
PET Scans: What they are, function, cost, timeline, and more
2023年11月22日 · Positron emission tomography, also known as a PET scan, produces 3D color images of processes within the human body. Doctors often use PET scans to diagnose a condition or track its...
PET/CT scan for cancer - Cancer Treatment Centers of America
2021年10月29日 · Learn how a PET/CT scan is used for cancer diagnosis and treatment, how long it takes, what it shows, and the benefits and risks of this type of imaging. We're available 24/7. Call us anytime.
Positron Emission Tomography (PET Scan) - Harvard Health
2023年2月2日 · What Is It? A positron emission tomography, or PET, scan is an imaging technique that uses radioactive tracers attached to sugar molecules. The scan can detect changes in the body's metabolism and chemical activities. A PET scan is often done in conjunction with a CT scan.
PET Scan - OncoLink
2024年8月22日 · A PET (positron emission tomography) scan is an imaging test. It uses radioactive materials, called tracers, to see how well your tissues and organs are working. Why is a PET scan done? PET scans are used to find heart problems, brain disorders, and cancer. If a PET scan is being used for cancer it may be used to: Find and diagnose cancer.