IMAGIND FOR ENT DISEASES · Paranasal sinus opacity: Total (+ homogenous, intensive) Sinusitis with...
Transcript of IMAGIND FOR ENT DISEASES · Paranasal sinus opacity: Total (+ homogenous, intensive) Sinusitis with...
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IMAGIND FOR ENT
DISEASES
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BASIC ANATOMY
EAR
External
Middle
Inner
NOSE AND PARANASAL SINUSES
THROAT
Oral cavity and mouth
Pharynx• Nasopharynx
• Oropharynx
• Pharynx
Larynx
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We use imaging
methods for
diagnosis of:
A. Trauma
B. Inflammatory
diseases
C. Masses
D. Malformations
Basic imaging
methods:
1. Radiological
• Conventional
radiography
• CT• Barium swallow
2. MRI3. USG
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Posteroanterior Skull Projection
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Lateral Skull Projection
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Axial Skull Projection
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WATER’S VIEW OR NOSE CHIN POSITION
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Ortopantomografie
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NASAL ANATOMY
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EAR External
Middle
Inner
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Tympanic
Membrane
Separates external ear from
middle ear.
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Chronic Suppurative Otitis Media
Stapes calcification
Eardrum calcification
Eardrum calcification
Normal Loss of
pneumatization
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Fractures
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Para Nasal Sinuses
Frontal sinuses
Maxillary sinuses
Sphenoid Sinuses
Ethmoid air cells
Anterior
Middle
posterior
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Para Nasal Sinuses
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Paranasal sinuses
The complex anatomy of
the facial skeleton
necessitates up to 4 views to
completely depict the
paranasal sinuses
The examination should be
done with the patient sitting
up in order to demonstrate
the airfluid (hidro-aeric)
level in the sinuses.
Imaging studies are of little
value in uncomplicated
acute cases
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Para Nasal sinuses: normal radiological
findings
Transparent (to compare with the transparence
of the orbit)
Clear, well-depicted walls
Individual variations of the structure, especial
of frontal sinuses (can serve for identification)
Sphenoid and ethmoid sinuses are more
difficult to see
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Water’s view or nose chin position
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Paranasal sinus opacity:
Total (+ homogenous, intensive)
Sinusitis with liquid in sinus
Cyst
Mucocele
Tumors
Hematomas
Partial
With hidro-aeric level
Horizontal
Lens-shaped (dense content or
absence of communication with the
nasal cavity)
Parietal (thickening of
mucous membrane)
Chronic sinusitis
Acute sinusitis, phase of edema
Rinitis
Poliposis (polycyclic borders)
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Dentigerous cyst
Antral polype at the right
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Maxilary sinuses viewed using different imaging
methods
Plain X-Ray CT Scan MRI
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CT, Axial Section at Maxillary Sinus
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Benign polypHomogenous, well circumscribed mass
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Coronal Section: Ethmoid
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Posterior Ethmoid Cells
Axial Section Coronal Section
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Deviated nasal septum. CT scan
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Fracture of nasal bone
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Throat diseases
Hypertrophed adenoids
Pharyngitis
Croup (acute laryngotracheitis)
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Nasopharynx
Oropharynx
Pharynx
Larynx
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Hypertrophy of adenoids
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Croup (acute laryngotracheitis)
steeple signdistension of the hypopharynx due to the patient's
attempt at decreasing airway resistance
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Croup (acute laryngotracheitis)
Steeple
Sign
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Epiglottitis
Lateral radiograph of
the neck - thumb
shaped epiglottis
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Juvenile Nasopharyngeal Angiofibroma
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Ethmoid ademocarcinoma
...
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52
Mucocele : MRI and CT
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Common ENT emergencies
Foreign bodies
Trauma
Complications of ENT infections
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Foreign bodies
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Foreighn body in esophagus