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The image produced by this type of medical imaging, called a cholescintigram, is also known by other names depending on which radiotracer is used, such as HIDA scan, PIPIDA scan, DISIDA scan, or BrIDA scan. [1] [2] Cholescintigraphic scanning is a nuclear medicine procedure to evaluate the health and function of the gallbladder and biliary system.
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Iminodiacetic acid is the organic compound with the formula HN(CH 2 CO 2 H) 2, often abbreviated to IDA.A white solid, the compound is a dicarboxylic acid amine (the nitrogen atom forms a secondary amino group, not an imino group as the name suggests).
A fully automated radiosynthesis interface of PET-radiotracers. PET is a functional imaging technique that produces a three-dimensional image of functional processes in the body.
A radioactive tracer, radiotracer, or radioactive label is a synthetic derivative of a natural compound in which one or more atoms have been replaced by a radionuclide (a radioactive atom). By virtue of its radioactive decay , it can be used to explore the mechanism of chemical reactions by tracing the path that the radioisotope follows from ...
In the United States, a PET scan is estimated to be US$1500-$5000. In England, the National Health Service reference cost (2015–2016) for an adult outpatient PET scan is £798. [93] In Australia, as of July 2018, the Medicare Benefits Schedule Fee for whole body FDG PET ranges from A$953 to A$999, depending on the indication for the scan. [94]
where, within the tissue region-of-interest from the PET image, C bone (T) is the bone tissue activity concentration of tracer (in units: MBq/ml) at any time T, C plasma (T) is the plasma concentration of tracer (in units: MBq/ml) at time T, V o is the fraction of the ROI occupied by the ECF compartment, and () is the area under the plasma ...
The greatest benefit of PET scanning is that different compounds can show flow and oxygen, and glucose metabolism in the tissues of the working brain. These measurements reflect the amount of brain activity in the various regions of the brain and allow us to learn more about how the brain works.