Review Classification of CT – CT “Proper” – Supporting CT – Fluid CT.
Ct petrous
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Transcript of Ct petrous
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CT Petrous
Mohamed Wael Samir MD
Prof. of Neurosurgery
Ain Shams University
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Superior surface of petrous bone
Trigeminal depression
Arcuate eminence
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Medial surface of petrous bone
IAM
Subarcuate fossa & A
Cochlear canaliculus
Vestibular aqueduct
Jugular foramen
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Arcuate eminence
(SSC)
Trigeminal impression
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Petro occipital suture
Trigeminal impression
Arcuate eminence
(SSC)
IAM
PSC
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IAcanal
PSC
LSC
vestibule
Epitympanum
Mastoid antrum
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Middle ear cavity with Malleus & incus
Tympanic segment of facial nerve
vestibulePSC
Cochlea
IAcanal
Labrynthine segment of facial nerve
Meatal segment of facial nerve
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Vestibular aqueduct
Cochlea
Endolyphatic sac
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Middle ear
External canal
Cochlear canaliculus
Cochlea
Jugular foramen
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Middle ear
External canal
Pharyngotympanic tube (auditory tube)
Carotid canalCarotid canal
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Carotid canal
Pharyngotympanic tube (auditory tube)
Jugular foramen
Neural compartment
Vascular compartment
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Fallopian Tube
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Pontine segment: Meatal segment: labyrinthine segment: tympanic or horizontal : mastoid or vertical segment: Extratemporal segment
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Tympanic segment of facial nerve
Labrynthine segment of facial nerve
Meatal segment of facial nerve
Meatal segment of facial nerve
Labrynthine segment of facial nerve
Tympanic segment of facial nerve
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Coronal Cuts
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TMJ
Carotid canal (vertical segment)
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External auditory canal
Middle earCochlea
Middle ear bony ossicles
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SCC
LCC
Vestibule
Labrynthine segment
Meatal segment
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Quiz
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Quiz
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Quiz
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Quiz
Carotid canalTMJ
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Quiz
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Quiz
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References
Hugh D. Curtin, James D. Rabinov and Peter M. Som (2003): Central Skull Base: Embryology Anatomy, and Pathology in Central skull base in Head and Neck Imaging. Peter M. Som & Hugh D. Curt (edit) Mosby, Inc. St. Louis, Chapter 12 FOURTH EDITION. Volume one 785- 863
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Thank You