Low-Dose CT Scanning for Nodule Detection and Lung Cancer Screening
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Questions and Answers

What is the recommended tube current for low-dose CT for pulmonary nodule follow-up and lung cancer screening?

  • 100 mAs
  • 200 mAs
  • 120 kVp
  • 40-80 mAs (correct)

    • What is the purpose of using iterative reconstruction algorithm in low-dose CT?

  • To increase radiation dose
  • To increase image noise
  • To decrease radiation dose
  • To decrease image noise (correct)

    • What is the current status of iterative reconstruction software availability for CT scanners?

  • Few CT scanners have iterative reconstruction software
  • All CT scanners have iterative reconstruction software
  • No CT scanners have iterative reconstruction software
  • Most CT scanners have iterative reconstruction software (correct)

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