HEAD AND NECK BLOCK 2: CT SERIES, X-RAYS AND SCANS 2011.
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Transcript of HEAD AND NECK BLOCK 2: CT SERIES, X-RAYS AND SCANS 2011.
![Page 1: HEAD AND NECK BLOCK 2: CT SERIES, X-RAYS AND SCANS 2011.](https://reader036.fdocuments.net/reader036/viewer/2022062804/56649ea95503460f94badfdd/html5/thumbnails/1.jpg)
HEAD AND NECK BLOCK 2: CT SERIES, X-RAYS AND
SCANS2011
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CT of Head
LABELING BY GIRI SURA (JCESOM CLASS 2012)
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SCOUT VIEW FOR ORIENTATION
ORBIT
NASALCAVITY
PLANE OF SECTION
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MEDIAL ANDLATERALPTERYGOIDPLATES
EXTERNALAUDITORYMEATUS
EXTERNALAUDITORYMEATUS
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Ramus of mandible
Lateral pterigoid m
Lateral pterigoid plate
Medial pterigoid plate
Maxillary sinus
Nasal septum
Mastoid process Spinal card
Styloid process
?
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Projections that increase surface areacalled NasalConchae =Turbinates
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Ramus of mandible
Lateral pterigoid m
Lateral pterigoid plate
Medial pterigoid plate
Maxillary sinus
Nasal septum
Mastoid air cells Spinal card
Styloid process
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Coronoid process Neck of mandible
Lateral pterigoid m
Lateral pterigoid plate
Medial pterigoid plate
Maxillary sinus
Nasal septum
Mastoid air cellsStyloid process
Spinal card
Foraman magnum
Vertebral a
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Coronoid process Neck of mandible
Mastoid air cells
Lateral pterigoid m
Lateral pterigoid plate
Medial pterigoid plate
Maxillary sinus
Nasal septum
Spinal cord
Foraman magnum
Vertebral a
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Pterygopalatine FossaNeck of mandible
Lateral pterigoid m
Lateral pterigoid plate
Medial pterigoid plate
Maxillary sinus
Nasal septum
Mastoid air cells
Foraman magnum
Vertebral a
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Each of the Le Fort fractures has at least one unique component that is easily recognizable: I, the anterolateral margin of the nasal fossa II, the inferior orbital rimIII, the zygomatic arch.
LE FORT FRACTURES OF FACE
I
II
III
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External auditory meatusMastoid air cells
Medulla oblangata
Nasal septum
Temporalis m
Trapezius m
Head of mandible
Temporo-madibular joint
Globe
Vertebral a
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External auditory meatusMastoid air cells
Medulla oblongata
Nasal septum
Temporalis m
Cerebellar hemisphere
Trapezius m
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Auditory tube
External auditory meatus
Lacrimal gland
Mastoid air cells
Medulla oblongata
Temporalis m
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
Lens
Globe
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Auditory tube
Lacrimal gland
Mastoid air cells
Medulla oblangata
Medial Rectus
Temporalis m
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
Basilar a
Globe
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Auditory tube
Internal occipital protuberance
Lacrimal gland
Mastoid air cells
Medulla oblangata
Medial Rectus
Temporalis m
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
Basilar a
Globe
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Internal occipital protuberance
Frontal sinus
Lacrimal gland
Mastoid air cells
Medulla oblangata
Petrous bone
Crista galli
Temporalis m Temporal lobe
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
Medial Rectus
Basillar a
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Internal occipital protuberance
Frontal sinus
Lacrimal gland
Mastoid air cells
Medulla oblangata
Petrous bone
Optic nerve
Crista galli
Temporalis m Temporal lobe
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
Basillar a
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Internal occipital protuberance
Frontal sinus
Lacrimal gland
PonsMastoid air cells
Petrous bone
Optic nerve
Crista galli
Temporalis m Temporal lobe
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
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Internal occipital protuberance
Frontal sinus
Lacrimal gland
PonsMastoid air cells
Nasal septum
Petrous bone
Optic nerve
Crista galli
Temporalis m
Temporal lobe
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
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Crista galli
Internal occipital protuberance
Frontal sinus
PonsMastoid air cells
Petrous bone
Sphenoidal sinusTemporalis m
Temporal lobe
Cerebellar hemisphere
Trapezius m
Sigmoid sinus
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Crista galli
Frontal sinus
PonsMastoid air cells
Sphenoidal sinusTemporalis m
Temporal lobe
Cerebellar hemisphere
Sigmoid sinus
Dorsum sellae
Internal occipital protuberance
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Crista galli
Frontal sinus
PonsMastoid air cells
Sella tursicaTemporalis m
Temporal lobe
Cerebellar hemisphere
Sigmoid sinus
Dorsum sellae
Internal occipital protuberance
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GROSS ANATOMY/RADIOLOGY LIBRARY: http://musom.marshall.edu/anatomy/radiology/
Many links to excellent websites for learning and studying Images
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6 Lateral view of skull
1. Ramus of mandible2. Styloid process of temporal bone
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PA VIEW OFSKULL
Posteroanterior view of skull
1) Nasal septum2) Mastoid air cells3) Lambdoid suture
(don't confuse with fracture)
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AP view of skull
Antero-posterior film of skull
1. Transverse process of C22. Ramus of mandible3. Odontoid process (dens) of C2
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Lateral View of Neck
(Note: 2 and 4are more apparent onoriginal film in lab)
1. Trachea2. Thyroid cartilage3. Hyoid bone4. Epiglottis5. Body of C26. Dens of C27. Anterior arch of atlas8. Posterior arch of atlas9. Spines of C2
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Lateral View of Skull
4
1. External auditory meatus2. Mastoid air cells3. Auricle4. Calcified pineal body5. Sella turcica6. Inner table of skull bone7. Outer table of skull bone8. Internal occipital protuberance9. Sphenoid air sinus
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CAROTID ANGIOGRAM
1- Common Carotid Artery2- Superior Thyroid Artery3- Lingual Artery4- Facial Artery5- Occipital Artery6- Maxillary Artery7- Superficial Temporal Artery8- Carotid Siphon
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CT HORIZONTAL SECTION OF ORBIT
5
1- Medial Rectus2- Lens3- Lateral Rectus4- Optic Nerve5- Temporalis muscle
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CT Horizontal Pterygoid Plate All
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CT Horizontal Pterygoid PlatePart 1
6- Lateral Pterygoid Muscle7- Neck of Mandible8- Coronoid Process of Mandible
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CT Horizontal Pterygoid PlatePart 2
1- Nasal Septum2- Maxillary Sinus3- Medial Pterygoid Plate4- Lateral Pterygoid Plate
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CT Horizontal Pterygoid PlatePart 3
5- Ramus of Mandible
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CT Horizontal Pterygoid Plate (three preceding slides)
1- Nasal Septum2- Maxillary Sinus3- Medial Pterygoid Plate4- Lateral Pterygoid Plate5- Ramus of Mandible6- Lateral Pterygoid Muscle7- Neck of Mandible8- Coronoid Process of Mandible
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Arch of Aorta
CommonCarotidArtery
BrachiocephalicTrunk
CommonCarotidArtery
VertebralArtery Vertebral
Artery
MRA - Magnetic Resonance Angiography - Blood Supply to Head
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MRA - Magnetic Resonance Angiography - Blood Supply to Head - Left side only
Anteriorview
Arch of Aorta
CommonCarotidArtery
VertebralArtery
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RotatetoRight
MRA - Magnetic Resonance Angiography - Blood Supply to Head - Left side only
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RotatetoRight
MRA - Magnetic Resonance Angiography - Blood Supply to Head - Left side only
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RotatetoRight
MRA - Magnetic Resonance Angiography - Blood Supply to Head - Left side only
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RotatetoRight
MRA - Magnetic Resonance Angiography - Blood Supply to Head - Left side only
![Page 45: HEAD AND NECK BLOCK 2: CT SERIES, X-RAYS AND SCANS 2011.](https://reader036.fdocuments.net/reader036/viewer/2022062804/56649ea95503460f94badfdd/html5/thumbnails/45.jpg)
RotatetoRight
Arch of Aorta
CommonCarotidArtery
VertebralArtery
MRA - Magnetic Resonance Angiography - Blood Supply to Head - Left side only
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Bifurcation
CommonCarotidArtery
VertebralArtery
InternalCarotidArtery
External Carotid Artery
Lingual Artery
Facial Artery
Maxillary ArteryOccipital Artery
Left side onlyHighMag