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.
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, and in other physiological activities including blood flow, …
PET Scan: What It Is, Types, Purpose, Procedure & Results
Positron emission tomography (PET) scans detect early signs of cancer, heart disease and brain conditions. It involves an injection of a safe radioactive tracer that helps detect diseased cells.
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 uses a special dye with radioactive tracers. Learn why it’s performed and how to prepare.
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 (PET) - Johns Hopkins Medicine
Newer technology combines PET and CT into one scanner, known as PET/CT. PET/CT shows particular promise in the diagnosis and treatment of lung cancer, evaluating epilepsy, Alzheimer's disease and coronary artery disease.
PET scan - what it is and how long does it takes | healthdirect
A positron emission tomography (PET) scan is an imaging test that uses radioactive material to diagnose, monitor and treat a variety of conditions and diseases. Doctors use it to find tumours, diagnose heart disease and brain disorders and other conditions.
PET Scan: Purpose, Procedure, and Side Effects - Verywell Health
2024年10月13日 · 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 and possible side effects or risks.
PET Scan: MedlinePlus Medical Test
What is a PET scan? A PET (positron emission tomography) scan is a nuclear imaging test that looks at how well your tissues and organs are working. It also checks for signs of cancer. For the scan, you will get an injection of a small amount of a tracer, which is a safe radioactive substance.
Positron Emission Tomography (PET Scan) - Harvard Health
2023年2月2日 · 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. The combination provides a color-coded image of the body's structure and function.
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