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Nasal cavity and paranasal sinuses radiologic anatomy
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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 Nasal cavity and paranasal sinuses radiologic anatomy Presentation Transcript

    • + Nasal Cavity and Paranasal Sinuses
    • + Roadmap Gross Introduction Positioning Anatomy Radiographic X Ray CT Anatomy MRI Questions
    • + Introduction
    • + 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.
    • + Gross Anatomy
    • + Nasal Cavity Nasal Cavity Sagittal View  Nasal Septum  Floor of the nasal cavity  Lateral wall of the cavity
    • + Nasal Cavity Lateral Wall Sagittal view  Maxillary  Palatine  Lacrimal  Ethmoid
    • + Nasal Cavity Lateral Wall Sagittal view  Sphenoethmoidal recess  Superior Turbinate  Superior Meatus  Middle turbinate  Middle meatus  Inferior turbinate  Inferior meatus
    • + 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
    • + 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
    • + Paranasal Sinuses  Frontal  Ethmoid  Sphenoid  Maxillary
    • + Paranasal sinuses Maxillary sinus Sphenoid sinus
    • + Positioning
    • + PA 15 Caldwell Position Image
    • + Occipito Mental OM (Waters) Position Image
    • + Lateral View Position Image
    • +RadiologicAnatomy
    • + Plain X-ray
    • +Nasal Bones
    • +Nasal Bones &Septum
    • +Paranasal sinusesPA 15 Caldwell
    • +Paranasal sinuses
    • +Paranasal sinusesLateral View
    • + CT
    • + Nasal Maxillary Nasal Septum Zygomatic Sinus Concha Arch NasopharynxNasal CavityAxial view Eustachian Tube
    • +Nasal CavityAxial view
    • +Nasal CavityCoronal View
    • +Nasal CavityCoronal View Turbinates
    • +Nasal CavityCoronal View
    • +Paranasal sinusesMaxillary SinusCoronal View Turbinates
    • +Paranasal sinusesMaxillary SinusAxial view Turbinates
    • +Paranasal sinusesMaxillary SinusCoronal View Turbinates
    • +Paranasal sinusesMaxillary SinusCoronal View Turbinates
    • + Frontal sinusParanasal sinusesFrontal Sinus
    • +Paranasal sinusesFrontal SinusAxial view
    • +Paranasal sinusesEthmoid SinusCoronal View Turbinates
    • +Paranasal sinusesEthmoid SinusAxial view Turbinates
    • +Paranasal sinusesEthmoid SinusAxial view Turbinates
    • +Paranasal sinusesEthmoid SinusAxial view Turbinates
    • +Paranasal sinusesSphenoid SinusCoronal View Turbinates
    • +Paranasal sinusesSphenoid SinusCoronal View Turbinates
    • +Paranasal sinusesSphenoid SinusAxial view Turbinates
    • + MRI
    • +MRI
    • +Questions ??
    • +