Positron emission tomography (PET) is a nuclear medicine imaging procedure that is used to monitor various internal body organs and tissues in order to identify certain disease conditions. It is performed by using a small amount of radioactive substance called tracers which move through blood circulation and thus helps radiologists in identifying the area of concerns precisely. PET imaging procedure provides a better insight about the working condition of organs and tissues, size, shape and position.
PET is most widely used by oncologists in order to diagnose various types of cancer; neurologists in order to diagnose neurological disorders and cardiologists in order to diagnose cardiovascular diseases. Ongoing developments in this area are likely to begin its use in other specialties as well. This is also performed in order to assess the progress of the treatment of certain diseases. This procedure is different from magnetic resonance imaging (MRI) and computed tomography (CT) as they only show the tissue structure and blood flow to and from organs. This imaging procedure is also being used in combination with other diagnostic technologies such as CT with an aim to provide more precise information about various neurological, cardiovascular and cancer diseases.
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The market for positron emission tomography is growing worldwide owing to increasing incidences of various cancers, neurological and cardiovascular diseases; growing use of PET in combination with other diagnostic technology such as CT and MRI, ongoing technological developments and expanding applications of PET procedure. Uninterrupted developments and discovery of new tracers (radionuclides) are also driving the PET imaging market. In addition, advantages offered by PET over other imaging technologies also drive the market growth.
The market for positron emission tomography is highly consolidated and is dominated by a few select numbers of players, namely, GE Healthcare, Philips Healthcare and Siemens Healthcare. These players collectively account for more than 80% of the market share. Positron Corporation, Segami Corporation, Spectrum Dynamics Ltd., Naviscan, Inc. and MedX Holdings Inc. are some other players operating in this market.