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What is a PET scan?

Medically reviewed by Doru Paul, MD Key Takeaways A PET scan shows changes in your body's cells to detect diseases.Prepare ...
PET scans are a form of imaging scan that can take three-dimensional images of the inside of a person’s body. They can help a doctor detect and accurately stage someone’s liver cancer. Doctors might ...
A positron emission tomography (PET) scan is an imaging technique that uses small amounts of radioactive substances. Doctors may use PET scans in chemotherapy treatments for cancer. PET scans help ...
PET scans can detect amyloid plaques and tau tangles in the brain, which are often early signs of Alzheimer’s disease. But they’re not enough on their own to make a diagnosis. Alzheimer’s disease is ...
Rachel works as a CRNA where she provides anesthesia care across the lifespan, including pediatric anesthesia, with a primary focus on orthopedic anesthesia. She is also an Assistant Professor at the ...
Sayaka Blickenderfer is a medical and science editor and writer with more than 10 years of experience. She edits and prepares scientific manuscripts and grant proposals for submission. Jane Kim, MD, ...
What Is a PSMA PET Scan? A PSMA PET scan, or prostate-specific membrane antigen positron emission tomography scan, is a recently developed imaging test used for people with prostate cancer. It looks ...