PET scan - Positron Emission Tomography, or PET scanning, is a way...

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PET scan

Positron Emission Tomography, or PET scanning, is a way of making images of the body by studying how certain areas function and convert energy.

PET scans are different from those obtained by more routine imaging methods (such as X-ray, ultrasound or MRI scanning) as they show how the body is actually working, not just what it looks like.

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