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What does it mean when a CT scan shows FDG avidity?

FDG (fluorodeoxyglucose) avidity on a CT scan refers to areas that show increased uptake of radioactive sugar during a PET/CT scan. During this type of imaging, a small amount of radioactive sugar is injected into your vein. Cancer cells tend to use this sugar more Show Full Answer

What does it mean when a CT scan shows FDG avidity?

FDG (fluorodeoxyglucose) avidity on a CT scan refers to areas that show increased uptake of radioactive sugar during a PET/CT scan. During this type of imaging, a small amount of radioactive sugar is injected into your vein. Cancer cells tend to use this sugar more quickly than healthy cells, creating "hot spots" that show up on the scan. These scans are important tools that help doctors:
- Look for potential metastases, especially in the liver, lungs, or bones
- Monitor how well treatments are working
- Guide treatment planning decisions

It's normal to feel anxious while waiting for scan results. Many breast cancer survivors experience "scanxiety" - anxiety around imaging procedures and waiting for results.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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