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  2. PET-CT - Wikipedia

    en.wikipedia.org/wiki/PET-CT

    The patient may now leave the device, and the PET-CT software starts reconstructing and aligning the PET and CT images. A whole body scan, which usually is made from mid-thighs to the top of the head, takes from 5 minutes to 40 minutes depending on the acquisition protocol and technology of the equipment used.

  3. Positron emission tomography - Wikipedia

    en.wikipedia.org/wiki/Positron_emission_tomography

    Complete body PET-CT fusion image Brain PET-MRI fusion image. PET scans are increasingly read alongside CT or MRI scans, with the combination (co-registration) giving both anatomic and metabolic information (i.e., what the structure is, and what it is doing biochemically). Because PET imaging is most useful in combination with anatomical ...

  4. Brain positron emission tomography - Wikipedia

    en.wikipedia.org/wiki/Brain_positron_emission...

    PET imaging with 18F-FDG takes advantage of the fact that the brain is normally a rapid user of glucose. Standard 18F-FDG PET of the brain measures regional glucose use and can be used in neuropathological diagnosis. Example: Brain pathologies such as Alzheimer's disease greatly decrease brain metabolism of both glucose and oxygen in tandem ...

  5. Medical imaging - Wikipedia

    en.wikipedia.org/wiki/Medical_imaging

    The resultant hybrid of functional and anatomic imaging information is a useful tool in non-invasive diagnosis and patient management. ... PET-CT, and magnetic ...

  6. Emission computed tomography - Wikipedia

    en.wikipedia.org/wiki/Emission_computed_tomography

    Types include positron emission tomography (PET) and Single-photon emission computed tomography (SPECT). SPECT is commonly used to diagnose certain diseases. [1] SPECT imaging is conducting by injecting a radioactive probe (or tracer) into the person's blood stream. [1]

  7. Nuclear medicine - Wikipedia

    en.wikipedia.org/wiki/Nuclear_medicine

    In addition, there are nuclear medicine studies that allow imaging of the whole body based on certain cellular receptors or functions. Examples are whole body PET scans or PET/CT scans, gallium scans, indium white blood cell scans, MIBG and octreotide scans. Iodine-123 whole body scan for thyroid cancer evaluation.

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