Linked from
The 44 pages that link to Positron emission tomography, each with the reason it gives.
Medical imagingBroader topic: Tracer uptake displays metabolic activity rather than anatomy alone.
RadionuclideBroader topic: It maps the distribution of positron-emitting radionuclides in the body.
RadiotracerBroader topic: It uses radiotracers to map physiological activity inside the body.
Nuclear chemistryBroader topic: It turns a nuclear decay process into images of biological activity.