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  2. Positron emission tomography - Wikipedia

    en.wikipedia.org/wiki/Positron_emission_tomography

    Positron emission tomography (PET) [1] is a functional imaging technique that uses radioactive substances known as radiotracers to visualize and measure changes in metabolic processes, and in other physiological activities including blood flow, regional chemical composition, and absorption. Different tracers are used for various imaging ...

  3. Flutemetamol (18F) - Wikipedia

    en.wikipedia.org/wiki/Flutemetamol_(18F)

    Average costs for PET scans without insurance coverage are around $3,000. Currently Medicare does not cover use of amyloid imaging agents except for in clinical trials. [ 6 ] Because of this, there is a low market for flutemetamol.

  4. PET-CT - Wikipedia

    en.wikipedia.org/wiki/PET-CT

    Positron emission tomography–computed tomography (better known as PET-CT or PET/CT) is a nuclear medicine technique which combines, in a single gantry, a positron emission tomography (PET) scanner and an x-ray computed tomography (CT) scanner, to acquire sequential images from both devices in the same session, which are combined into a single superposed (co-registered) image.

  5. PET radiotracer - Wikipedia

    en.wikipedia.org/wiki/PET_radiotracer

    PET radiotracer is a type of radioligand that is used for the diagnostic purposes via positron emission tomography imaging technique. [1] [2] Mechanism

  6. CT scan - Wikipedia

    en.wikipedia.org/wiki/CT_scan

    PET-CT scan of chest. Positron emission tomography–computed tomography is a hybrid CT modality which combines, in a single gantry, a positron emission tomography (PET) scanner and an X-ray computed tomography (CT) scanner, to acquire sequential images from both devices in the same session, which are combined into a single superposed (co ...

  7. Molecular imaging - Wikipedia

    en.wikipedia.org/wiki/Molecular_imaging

    The development of computed tomography in the 1970s allowed mapping of the distribution of the radioisotopes in the organ or tissue, and led to the technique now called single photon emission computed tomography (SPECT). The imaging agent used in SPECT emits gamma rays, as opposed to the positron emitters (such as 18 F) used in PET.

  8. Cardiac PET - Wikipedia

    en.wikipedia.org/wiki/Cardiac_PET

    Cardiac PET (or cardiac positron emission tomography) is a form of diagnostic imaging in which the presence of heart disease is evaluated using a PET scanner. Intravenous injection of a radiotracer is performed as part of the scan. Commonly used radiotracers are Rubidium-82, Nitrogen-13 ammonia and Oxygen-15 water. [1]

  9. 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 ]

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