Positron Emission tomography test (PET): Call Your Doctor If Any of the Following Occurs
This test makes images that show activity in body tissues. A substance that gives off a tiny amount of radiation is put into your body. This substance goes to the part of your body that is most active. A machine can then detect where that substance is. PET can be done for many body parts, including:
- Whole body
PET Scans of the Brain
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A PET scan may be done for a number of reasons, including:
- Looking for tumors or assessing tumor level of activity after treatment
- Assessing causes of memory disorders
- Finding the cause of seizures and helping to find treatments
- Assessing brain metabolism in patients with chronic fatigue syndrome
- Looking for heart disease
Last reviewedAugust 2014by Daus Mahnke, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.