positron emission tomography
Plural
positron emission tomographies
1
a medical imaging technique that uses a small amount of radioactive tracer material to diagnose and monitor diseases such as cancer, heart disease, and neurological disorders
- The PET scan revealed a hot spot indicating increased metabolic activity in the brain.
- Doctors recommended a PET scan to assess the extent of tumor growth in her lungs.
- PET imaging is valuable for early detection of Alzheimer's disease.
- The hospital recently upgraded its facilities to include state-of-the-art PET scanners.
- PET scans are often combined with CT or MRI scans for more comprehensive diagnostic evaluation.