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Outpatient Services > Diagnostic Imaging (Radiology) > Positron Emission Tomography (PET.CT)

Positron Emission Tomography (PET.CT)

Positron emission tomography (PET.CT) enables doctors to see how organs and tissues function at a cellular level in order to detect disease, determine appropriate treatment and track the body’s response to therapy. PET.CT combines nuclear medicine and biochemical analysis and low dose CT to detect cellular changes in organs and tissues - sometimes before disease-related changes would appear in other types of imaging tests. Like other types of nuclear medicine, PET.CT uses small amounts of radioactive materials, called radiopharmaceuticals, radionuclides or radiotracers, to help doctors visualize the body part being studied. PET.CT is useful for:

  • Determining the presence or spread of many malignant tumors
  • Differentiating dementia, Alzheimer’s and Huntington’s Chorea
  • Diagnosing movement disorders such as Parkinson’s disease
  • To evaluate blood flow to the heart muscle
  • To evaluate the brain after trauma or stroke

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