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Positron Emission Tomography (PET) Scan

  • What is a Positron Emission Tomography (PET) Scan?

    Positron emission tomography (PET) is an advanced medical imaging examination that provides detailed information on the function of an organ or system in your body. PET scans are commonly used to evaluate and diagnose cancers, neurological (brain) disorders, and cardiovascular (heart) diseases.

    During a PET scan, a radioactive tracer is injected into the bloodstream and images of your body are recorded using a PET scanner. The camera records the emissions of the injected radioactive tracer, and a computer then creates multi-dimensional images of the part of your body. The injected radiotracers usually gather in diseased tissues more than in healthy tissues, thus highlighting them in the scan. Most PET scanners are combined with computerised tomography (CT) scans. This further allows the structural information provided by the CT images to be combined with the PET’s functional information.

  • A PET scan is mainly used to find and monitor conditions including cancers, neurological (brain) disorders, and cardiovascular (heart-related) diseases. It can find cancers before other imaging techniques (eg. CT and MRI scans). It also helps your doctor to determine whether a cancer is spreading to other parts of the body and where to.

    A PET scan can assist in the planning of surgery for epileptic seizures by showing which part of the brain is responsible for your epilepsy. It is also used to assess Alzheimer’s disease and Parkinson’s disease because the resulting images can show areas of the brain that are not functioning normally. Early detection of these neurological disorders lead to more effective treatment.

  • Your goal of getting swift, accurate and effective treatment is our strength. Our skilled team of specialists and staff at Gleneagles Hospital is committed to placing your needs at the heart of all we do. Take your first step towards better health today, and experience the high-quality, customized healthcare that has been our legacy for more than 50 years.

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