Positron Emission Tomography (PET) Imaging
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Questions and Answers

What is the most common radiotracer used in PET imaging?

  • 2-[F-18]fluoro-2-deoxy-Lactose
  • 2-[F-12]fluoro-2-deoxy-D-glucose
  • 2-[F-18]fluoro-2-deoxy-L-glucose
  • 2-[F-18]fluoro-2-deoxy-D-glucose (FDG) (correct)

    • What type of imaging utilizes the advantages of both PET and CT?

  • Computed tomography
  • Ultrasound imaging
  • Positron emission tomography (correct)
  • Magnetic resonance imaging

    • Why are radiotracers used in nuclear medicine?

  • To provide anatomic information
  • To eliminate tumors
  • To diagnose, evaluate, and treat various diseases (correct)
  • To remove inflammation

    • What makes cancer cells more likely to absorb the radiotracer FDG?

    <p>Higher metabolic activity and increased glucose absorption rate</p> Signup and view all the answers

    What is the role of the computer in PET/CT imaging?

    <p>Producing pictures and supplying molecular information</p> Signup and view all the answers

    How do radiotracers accumulate in tumors or regions of inflammation?

    <p>They bind to specific proteins in the body</p> Signup and view all the answers

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