Dr Mohamed El Safwany, MD. HEAD & NECK Dr Mohamed El Safwany, MD.

Intended learning outcome The student should learn at the end of this lecture CT of paranasal sinuses and neck.

SINUS ANTERIOR VIEW FRONTAL SINUS ORBIT SUPERIOR ORBITAL FISSURE MAXILLARY SINUS ETHMOID INFERIOR TURBINATE MASTOID AIR CELLS HARD PALATE MANDIBLE

LATERAL SINUS 4 ANT AND POST CLINOID FRONTAL SINUS SELLA TURCICA ETHMOID SINUS SPHENOID SINUS MAXILLARY SINUS MAXILLA MANDIBLE 4

SINUS WATERS VIEW 5 FRONTAL SINUS ORBIT ZYGOMATICO –FRONTAL ETHMOID SINUS ZYGOMATICO –FRONTAL SUTURE MAXILLARY SINUS NASAL SEPTUM ZYGOMA INFERIOR ORBITAL MARGIN ZYGOMATIC ARCH MANDIBLE 5 ODONTOID

SINUS AP 6 FRONTAL SINUS ETHIMOID SINUS GREATER WING OF SPHENOID ORBIT NASAL SEPTUM MAXILLARY SINUS 6

CT SINUS AXIAL FRONTAL SINUS

CT SINUS AXIAL LENS OF EYE MEDIAL RECTUS MUSCLE ETHMOID SINUS LATERAL RECTUS MUSCLE RETRO ORBITAL FAT

CT SINUS AXIAL ETHMOID SINUS SPHENOID SINUS CAROTID CANAL

CT SINUS AXIAL MAXILLARY SINUS

CT SINUS AXIAL MAXILLARY SINUS NASAL SEPTUM PTERYGOID PLATE INFERIOR TURBINATE NASOPHARYNX

CT SINUS CORONAL VIEW FRONTAL SINUS

CT SINUS CORONAL VIEW ETHMOID SINUS INFERIOR TURBINATE

CT SINUS CORONAL VIEW MAXILLARY SINUS NASAL SEPTUM

CT SINUS CORONAL VIEW SPHENOID SINUS

AP SKULL GREATER WING OF SPHENOID MASTOID AIR CELLS ETHMOID SINUS MAXILLARY SINUS NASAL SEPTUM MAXILLA

LATERAL SKULL CORONAL SUTURE FRONTAL SINUS ANTERIOR CLINOID FLOOR OF THE CRANIAL FOSSA SELLA TURCICA SPHENOID SINUS POSTERIOR CLINOID LAMBOID SUTURE ETHMOID SINUS NASOPHARYNX MASTOID AIR CELLS MAXILLARY SINUS HARD PALATE INT. & EXT. OCCIPITAL PERTUBERANCE MANDIBULAR CONDYLE

SKULL TOWNE VIEW PARIETAL BONES LAMBDOID SUTURE LAMBDOID SUTURE FORAMEN MAGNUM PETROUS TEMPORAL BONE MASTOID AIR CELLS MANDIBLE

BASE OF THE SKULL MAXILLARY SINUS ETHMOID SINUS LAT. PTYERGOID PLATE SPHENOID SINUS FORAMEN OVALE Base of skull EXT. AUDITORY CANAL ARCH OF C-1 ODONTOID PROCESS (DENS) MASTOID AIR CELLS

FRONTAL SINUS NASAL BONES LATERAL NASAL BONE

ORBIT AXIAL CT 21 MEDIAL RECTUS LATERAL RECTUS RETRORBITAL FAT LENS OF EYE OPTIC NERVE 21

CT--SKULL 22 22 LENS OF EYE OPTIC CANAL SELLA TURSICA POSTERIOR CLINOID ANTERIOR CLINOID ANTERIOR CLINOID 22 22

CT--SKULL 23 Int. carotid art,, 23 NASAL BONES INTERNAL CAROTID ARTERIES BASILAR ARTERY Int. carotid art,, MASTOID AIR CELLS 23 23

INTERNAL AUDITORY CANAL CT--SKULL ZYGOMATIC ARCH PTERYGOPALATINE FOSSA OSSICLES Iac, , INTERNAL AUDITORY CANAL COCHLEA 24 24

CT--SKULL 25 25 MANDIBULAR CONDYLE EXTERNAL AUDITORY CANAL FORAMEN OVALE FORAMEN SPINOSUM 25 25

CT--SKULL 26 26 CAROTID FORAMEN JUGULAR FORAMEN PINNA PINNA SUBCUTANEOUS FAT 26 26

CT-SKULL 27 , carotid artery jugular vein 27 JUGLAR VEINS CAROTID ARTERIES , carotid artery jugular vein VERTEBRAL ARTERIES FORAMEN MAGNUM MASTOID AIR CELLS 27 27

AIRWAY EPIGLOTTIS VALLECULA HYOID BONE THYROID CARTILAGE CRICOID CALCIFIED TRACHEAL CARTILAGE RINGS

ARTERIOGRAM ANTERIOR CEREBRAL ARTERY MIDDLE CEREBRAL ARTERY CAROTID SYPHON MAXILLARY ARTERY OCCIPITAL ARTERY INTERNAL CAROTID ARTERY FACIAL ARTERY EXTERNAL CAROTID ARTERY COMMON CAROTID ARTERY

CT--NECK LT MAXILLARY SINUSES ZYGOMA ZYGOMA SCAN LEVEL SPHENOID SINUS

CT--NECK LT MANDIBULAR CONDYLE MAXILLA SCAN LEVEL EXTERNAL AUDITORY MEATUS NASOPHARNYX MASTOIDS

CT--NECK LT MANDIBLE MASSETER MUSCLE MASSETER MUSCLE SCAN LEVEL PTERYGOID MUSCLES PAROTID GLAND

CT--NECK LT SUBMANDIBULAR GLAND SCAN LEVEL EPIGLOTTIS STERNOCLEIOMASTOID MUSCLE SUBCUTANEOUS FAT

CT-- NECK LT HYOID BONE SCAN LEVEL VALECULA JUGULAR VEIN PYRIFORM SINUS COMMON CAROTID ARTERY

CT-- NECK LT THYROID CARTILAGE SCAN LEVEL STERNOCLEIDOMASTOID MUSCLE VOCAL CORD ARYTENOID CARTILAGE

CT-- NECK LT THYROID CARTILAGE COMMON CAROTID ARTERY SCAN LEVEL CRICOID CARTILAGE INTERNAL JUGULAR VEIN

CT--NECK LT THYROID GLAND SCAN LEVEL CLAVICLE CLAVICLE FAT FAT TRACHEA ESOPHAGUS Trachea and esophagus label.

Text Book David Sutton’s Radiology Clark’s Radiographic positioning and techniques

Assignment Two students will be selected for assignment.

Question Define 5 structures at that level?

Thank You