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 …
PET Scan: Uses, Procedure, Risks, and Results - Healthline
Sep 11, 2025 · This article reviews why a doctor might recommend a PET scan, the procedure, and how it compares to other imaging tests.
Positron emission tomography scan - Mayo Clinic
Apr 16, 2025 · During a positron emission tomography (PET) scan, you lie on a narrow table that slides into a doughnut-shaped hole. The scanner takes about 30 minutes to produce detailed …
Understanding PET scans: Purpose, procedure and results | MD …
Here, diagnostic imaging specialist Aaron Jessop, M.D., shares what you should know about PET scans, including what to expect and how they’re used in cancer care.
Positron Emission Tomography (PET) - Johns Hopkins Medicine
PET is a type of nuclear medicine procedure that measures metabolic activity of the cells of body tissues. Used mostly in patients with brain or heart conditions and cancer, PET helps to …
PET Scan: Purpose, Procedure, and Side Effects - Verywell Health
Oct 10, 2025 · What Is a PET Scan? A PET scan shows changes in your body's cells to detect diseases. Prepare for the PET scan according to your healthcare provider's instructions, like …
PET Scan (Positron Emission Tomography) - WebMD
Sep 15, 2024 · 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 …
Positron Emission Tomography (PET) Scan | Penn Medicine
Whereas other types of imaging exams, such as a CT scan or an MRI, evaluate anatomic structures, a PET scan looks at chemical and metabolic activity in cells. This makes PET …
Positron Emission Tomography (PET) - MSD Manuals
What is positron emission tomography (PET scan)? A PET scan is a test doctors use to take pictures of your organs and tissues. First, doctors inject you with a tiny amount of a radioactive …
PET Scan: Procedure, Benefits, and Cancer Detection Explained
A PET scan (Positron Emission Tomography) is a powerful imaging test used for cancer detection, heart disease, and brain disorders. Learn about the PET scan procedure, benefits, …