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Positron Emission Tomography (PET) Scan

  • What is a Positron Emission Tomography 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 to which parts of the body a cancer is spreading.

    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 the areas of the brain that are not functioning normally. Early detection of these neurological disorders lead to more effective treatment.

  • At Mount Elizabeth Hospitals, we are committed to giving you comprehensive care. Our multidisciplinary team of specialists, nurses and therapists are here to guide you through the entire treatment and recovery process. Enquire to find out about the range of services we offer.

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