Positron emission tomography pet is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the body as an aid to the diagnosis of disease the system detects pairs of gamma rays emitted indirectly by a positron emitting radionuclide most commonly fluorine 18 which is introduced into the body on a biologically active molecule called a radioactive tracer. Nuclear medicine is returning to its origin by studying more and more metabolic signals using new positron or single photon emitting radiopharmaceuticals the history of nuclear medicine over the past 50 years highlights the strong link between investments in chemistry and the development of radionuclides and radiolabeled compounds. Radiochemical methodology constitutes the most important base for the successful functioning of a pet group in the routine production and development of radiopharmaceuticals. Of the several hundred products which have been labelled with positron emitters during the past two decades about 35 are developments in nuclear medicine radiopharmaceuticals for positron emission tomography methodological aspects editors stcklin g pike vw eds free preview buy this book ebook 16900 . Positron emission tomography also called pet imaging or a pet scan is a type of nuclear medicine imaging nuclear medicine is a branch of medical imaging that uses small amounts of radioactive material to diagnose and determine the severity of or treat a variety of diseases including many types of cancers heart disease gastrointestinal
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