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: 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.
What are PET scans, and what are their uses? - Medical News Today
2023年11月22日 · A PET scan is a test that can show multidimensional, color images of the inside workings of the human body. It shows not only what an organ looks like, but also how it is functioning. Doctors...
PET Scan (Positron Emission Tomography) - WebMD
2024年9月15日 · 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. This can help them understand how a...
Understanding PET Scans: Purpose, Procedure, and Preparation
2024年7月24日 · A positron emission tomography (PET) scan is a medical imaging technique that allows doctors to observe metabolic processes and chemical activity in the body. Unlike some other imaging...
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.
What is a PET scan? - Cancer Council
A PET (positron emission tomography) scan is a type of imaging test that is used to diagnose certain diseases including cancer. When is a PET scan used? PET scans can be used to: find tumours. determine if a lump is cancer, where it is, how big it is and if it has spread. diagnose brain disorders. diagnose heart disease.
PET scan - Tests & treatments - NHS inform
Positron emission tomography (PET) scans are used to produce detailed three-dimensional images of the inside of the body. The images can clearly show the part of the body being investigated, including any abnormal areas, and can highlight how well certain functions of the body are working.
PET scan - NHS
A PET scan can show how well certain parts of your body are working, rather than simply showing what they look like. PET scans are particularly helpful for investigating confirmed cases of cancer to determine how far the cancer has …