2 - Imaging Flashcards

1
Q

Zygomatic Arch Lines

A
  • McGrigor/Campbell Lines
    • Trapnell Line - Line 5
  • Dolan Line
    • Elephant line
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2
Q

Relative Radiation Dose

A
  • Health effects
    • 10mSv - No direct evidence of health effects
    • 10- 1000mSv: No early effects. Increased evidence of certain types of cancers at higher doses
    • 1000 - 10 000mSv: Radiation sickness
    • 10 000mSv: Fatal
  • Background radiation: 1-13 mSV
  • Intra oral PA: 0.005mSv
  • OPG: 0.01
  • CXR: 0.02
  • CBCT: 0.1 - 0.5
  • CT facial bones 1.0
  • CTB and Head 2.0
  • CT Chest 5 - 8
  • CT Abdo 10
  • CTPA 15
  • VQ Scan 2
  • Bone Scintigraphy 5
  • PET 20
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