Basic reading computed tomography (ct) of brain
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Basic reading computed tomography (ct) of brain

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Basic reading computed tomography (ct) of brain Presentation Transcript

  • 1. Basic Reading Computed Tomography ( CT ) of Brain By…Ext. วรปรัชญ์ สามารถ
  • 2. Systemic Approach to Head CT Interpretation
    • Symmetry – Compare left and right side of the cranium
    • Midline – Look for midline shift
    • Cross-sectional anatomy – Review anatomical landmark for each slide
      • Brain tissue : gray matter, white matter , intracerebral lesions
      • CSF space : ventricle, basal cistern, cortical sulci, fissure
      • Skull and soft tissue : scalp swelling, fractures, sinuses, orbit
    • Subdural windows : Look for blood collection adjacent to the skull
    • Bone windows : Skull, orbit and sinuses, intracranial air
  • 3. Lateral View of Brain
  • 4. Ventricular System
  • 5. Cross-sectional Anatomy
    • Grey/White interface, Subcortical white matter
  • 6. Cross-sectional Anatomy
    • Paired of crescent-shape = Twin bananas
  • 7. Cross-sectional Anatomy
  • 8. Basal ganglia
  • 9. Cross-sectional Anatomy
    • Third ventricle, Basal ganglia, Superior cerebellar cistern
  • 10. Hydrocephalous
  • 11. Physiologic Calcification
  • 12. Brain Anatomy
  • 13. Cross-sectional Anatomy
    • Third ventricle, Smiley face
  • 14. Cross-sectional Anatomy
    • Midbrain, Interpeduncular cistern
  • 15. Cross-sectional Anatomy
    • Star shape ~ Circle of Willis,
    • Fourth ventricle, Temporal horn ~ slit
  • 16. Subarachnoid hemorrhage
  • 17. Cross-sectional Anatomy
    • Base of skull, Midline bony prominence,
    • Prepontine cistern, Pretrous bone, Frontal sinus
  • 18. Cross-sectional Anatomy
    • Orbits , Ethmoid air cell
  • 19.  
  • 20. The End…