PET imaging

PET imaging in the glossary for Waldenström's macroglobulinemia

PET imaging (positron emission tomography) – A functional imaging technique which utilizes radiotracers (radioactive substances) used to visualize and measure changes in metabolic processes, and in other physiological activities including blood flow, regional chemical composition, and absorption.

Positron emission tomography (PET) is an imaging technique that measures physiological function by looking at blood flow, metabolism, neurotransmitters, and radiolabelled drugs. The technique is based on the detection of radioactivity emitted after a small amount of a radioactive tracer is injected into a peripheral vein.¹

Glossary overview

References

1.Berger, A. HOW DOES IT WORK? Positron emission tomography. BMJ 2003: 326.

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