Focus of abnormal increased tracer activity

What does "Focus of abnormal increased tracer activity" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

"Focus of abnormal increased tracer activity" is a term used in medical imaging tests. It refers to an area in the body that is showing up more brightly than it should on the scan. This happens because a special dye, called a tracer, is used during the scan. The tracer is absorbed by different parts of the body and if an area absorbs more tracer than usual, it could indicate a problem such as disease or injury.

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