POSITRON EMISSION TOMOGRAPHY
According to John M Ollinger and Jeffrey A Fressler a medical imaging is often thought of as a way of viewing anatomical structures of body .Indeed, x¬-ray computed tomography and magnetic resonance imaging with detailed images of such structures, also useful to obtain images of psycho logic function rather than anatomy .Images can be acquired by imaging the decay of radio isotopes. In other words, Positron Emission Tomography is a specialized procedure used to examine various body tissues to identify certain conditions. Nevertheless, it can be used to follow the progress of any treatment of certain condition; it is one of the most commonly used, in the field of neurology, oncology, and cardiology and psychology field.
Positron Emission Tomography is a type of nuclear medicine procedure commonly used to identify certain conditions. This means that a tiny amount of a radionuclide is used during the procedure to assist in the examination of the tissue under the study specifically.Possitron Emission Tomography study to evaluate the metabolism of a particular organ or tissue, so that information about the psychology or functionality and anatomy or structure of the organ or tissue is evaluated, as well. Thus may detect biochemical changes in an organ or tissue that can identify the onset of a disease process before anatomical changes related to the disease.
This type of procedure is most often used by oncologists, neurologists, cardiologists. Until recently, Positron Emission Tomography procedures were performed in indicated centers. The equipment used in these centers is quite expensive.However,a new technology called gamma camera systems is how being adapted for use in positron emission system scan procedures .The gamma camera system can complete a scan more quickly, and at less cost, than a tradition positron emission tomography.
24 Mind Explorer/ October, 2013