Positron emission tomography scan - Mayo Clinic
网页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. A PET scan can often detect the atypical metabolism of the tracer in diseases before the ...
PET/CT - Positron Emission Tomography/Computed Tomography
网页What are the benefits vs. risks? What are the limitations of PET/CT? What is PET/CT scanning? Positron emission tomography, also called PET imaging or a PET scan, is a type of nuclear medicine imaging. Nuclear medicine uses small amounts of radioactive material called radiotracers.
PET-CT - Wikipedia
网页Positron emission tomography–computed tomography (better known as PET-CT or PET/CT) is a nuclear medicine technique which combines, in a single gantry, a positron emission tomography (PET) scanner and an x-ray computed tomography (CT) scanner, to acquire sequential images from both devices in the same session, which are combined …
PET/CT scan for cancer - Cancer Treatment Centers of America
网页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.
PET Scan: What It Is, Types, Purpose, Procedure & Results
网页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/CT Scan: How to Prepare, What to Expect & Safety Tips
网页Positron emission tomography, also called PET imaging or a PET scan, is a diagnostic examination that involves getting images of the body based on the detection of radiation from the emission of positrons. Positrons are tiny particles emitted from a radioactive substance administered to the patient.
PET Scan vs. CT Scan: Uses, Risks, and Differences - Verywell Health
网页2023年7月1日 · Computed tomography (CT) and positron-emission tomography (PET) scans are two medical imaging techniques that differ in several key ways. The main difference is that a CT scan creates a detailed image of organs, bones, and tissues, while a PET scan shows how the tissues in your body work on a cellular level.
PET Scan (Positron Emission Tomography) - WebMD
网页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...
PET Scan for Cancer: What You Need to Know - Verywell Health
网页2023年5月23日 · CT/PET together in one scan is a more advanced scanning method that is especially helpful in detecting and diagnosing cancer in soft tissues. The combination test can provide a clearer picture of the location, spread, and growth of …
PET Scan: Purpose, Procedure, and Side Effects - Verywell Health
网页2024年5月7日 · Positron emission tomography (PET) is an imaging test that detects changes in metabolism and your body's biochemistry. The patterns of these changes can help diagnose different diseases. PET scans use a radioactive drug called a radiotracer that is injected into your bloodstream.