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Nasal cavity and paranasal sinuses radiologic anatomy
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Radiologic anatomy of nose and paranasal sinuses

Radiologic anatomy of nose and paranasal sinuses

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Nasal cavity and paranasal sinuses radiologic anatomy Presentation Transcript

  • 1. + Nasal Cavity and Paranasal Sinuses
  • 2. + Roadmap Gross Introduction Positioning Anatomy Radiographic X Ray CT Anatomy MRI Questions
  • 3. + Introduction
  • 4. + Introduction  Nasal cavity is a passage from the external nose anteriorly to the nasopharynx posteriorly.  The frontal, ethmoid, sphenoid and maxillary sinuses form the paired paranasal sinuses.  They are situated around and drain into the nasal cavity.  The entire complex is lined by mucus secreting epithelium.
  • 5. + Gross Anatomy
  • 6. + Nasal Cavity Nasal Cavity Sagittal View  Nasal Septum  Floor of the nasal cavity  Lateral wall of the cavity
  • 7. + Nasal Cavity Lateral Wall Sagittal view  Maxillary  Palatine  Lacrimal  Ethmoid
  • 8. + Nasal Cavity Lateral Wall Sagittal view  Sphenoethmoidal recess  Superior Turbinate  Superior Meatus  Middle turbinate  Middle meatus  Inferior turbinate  Inferior meatus
  • 9. + Nasal Cavity Lateral wall Sagittal view  Sphenoid >> Spenoethmoidal recess.  Posterior group of ethmoid >> superior meatus.  Frontal + Ant Ethmoidal + Maxillary >> middle meatus  Nasolacrimal duct >> inferior meatus
  • 10. + Blood Supply of Nasal Cavity  Sphenopalatine artery  Greater palatine artery  Superior labial branch of facial artery  Anterior and posterior branches of ophthalmic artery  Little’s area
  • 11. + Paranasal Sinuses  Frontal  Ethmoid  Sphenoid  Maxillary
  • 12. + Paranasal sinuses Maxillary sinus Sphenoid sinus
  • 13. + Positioning
  • 14. + PA 15 Caldwell Position Image
  • 15. + Occipito Mental OM (Waters) Position Image
  • 16. + Lateral View Position Image
  • 17. +RadiologicAnatomy
  • 18. + Plain X-ray
  • 19. +Nasal Bones
  • 20. +Nasal Bones &Septum
  • 21. +Paranasal sinusesPA 15 Caldwell
  • 22. +Paranasal sinuses
  • 23. +Paranasal sinusesLateral View
  • 24. + CT
  • 25. + Nasal Maxillary Nasal Septum Zygomatic Sinus Concha Arch NasopharynxNasal CavityAxial view Eustachian Tube
  • 26. +Nasal CavityAxial view
  • 27. +Nasal CavityCoronal View
  • 28. +Nasal CavityCoronal View Turbinates
  • 29. +Nasal CavityCoronal View
  • 30. +Paranasal sinusesMaxillary SinusCoronal View Turbinates
  • 31. +Paranasal sinusesMaxillary SinusAxial view Turbinates
  • 32. +Paranasal sinusesMaxillary SinusCoronal View Turbinates
  • 33. +Paranasal sinusesMaxillary SinusCoronal View Turbinates
  • 34. + Frontal sinusParanasal sinusesFrontal Sinus
  • 35. +Paranasal sinusesFrontal SinusAxial view
  • 36. +Paranasal sinusesEthmoid SinusCoronal View Turbinates
  • 37. +Paranasal sinusesEthmoid SinusAxial view Turbinates
  • 38. +Paranasal sinusesEthmoid SinusAxial view Turbinates
  • 39. +Paranasal sinusesEthmoid SinusAxial view Turbinates
  • 40. +Paranasal sinusesSphenoid SinusCoronal View Turbinates
  • 41. +Paranasal sinusesSphenoid SinusCoronal View Turbinates
  • 42. +Paranasal sinusesSphenoid SinusAxial view Turbinates
  • 43. + MRI
  • 44. +MRI
  • 45. +Questions ??
  • 46. +