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Positron Emission Tomography (PET) is a nuclear medicine, functional imaging technique that produces a three-dimensional image of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron-emitting radionuclide (tracer), which is introduced into the body on a biologically active molecule. Three-dimensional images of tracer concentration within the body are then constructed by computer analysis. In modern PET-CT scanners, three dimensional imaging is often accomplished with the aid of a CT X-ray scan performed on the patient during the same session, in the same machine.
Related Journals of Positron Emission Tomography (PET)
Advances in Molecular Diagnostics, Tomography & Simulation, Diagnostic Pathology: Open Access, Cancer Diagnosis, PET Clinics, Journal of Cardiothoracic Surgery, Cancer Imaging, Frontiers in Oncology.