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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.

  3. 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.

  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. Does Medicare Cover PET Scans? - AOL

    www.aol.com/lifestyle/does-medicare-cover-pet...

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  6. Medicare will remove limits on PET scans used with new ... - AOL

    www.aol.com/news/medicare-remove-limits-pet...

    Medicare will remove limits on covering PET scans used to help diagnose Alzheimer’s disease, allowing broader access to new treatments on the U.S. market. The Centers for Medicare and Medicaid ...

  7. US removes coverage curb on PET scans for Alzheimer's ... - AOL

    www.aol.com/news/u-agency-removes-coverage-curb...

    By Julie Steenhuysen (Reuters) - U.S. health officials on Friday lifted curbs on reimbursement of a non-invasive imaging test called amyloid PET used to diagnose Alzheimer's, ending a once-per ...

  8. Positron emission mammography - Wikipedia

    en.wikipedia.org/wiki/Positron_emission_mammography

    A commercial PEM system with 64-ring detectors. It is designed for prone imaging, so that the breasts hang freely in the detector, through an opening. PEM uses a specialised scanning system. Though some systems resemble a small PET scanner with a ring of detectors, others consist of a pair of gamma radiation detectors placed above and below the ...

  9. CMS proposes broader coverage of PET scans for ... - AOL

    www.aol.com/news/cms-proposes-broader-coverage...

    The agency proposes to remove the once-per-lifetime limit on beta amyloid PET scans that restricted their use to clinical trials. The changes will permit Medicare beneficiaries to seek ...

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