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M-1 RADIOLOGY Head and Neck

M-1 RADIOLOGY Head and Neck. OBJECTIVES. Skull anatomy Orbit anatomy Sinus anatomy Vascular anatomy Neck anatomy Clinical cases. CONJOINED TWINS. CASE HISTORIES: Facial pain Trauma to orbit Epistaxsis Allergic reaction Bruit heard in neck Neck mass inferiorly Hoarseness

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M-1 RADIOLOGY Head and Neck

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  1. M-1 RADIOLOGY Head and Neck

  2. OBJECTIVES • Skull anatomy • Orbit anatomy • Sinus anatomy • Vascular anatomy • Neck anatomy • Clinical cases

  3. CONJOINED TWINS

  4. CASE HISTORIES: • Facial pain • Trauma to orbit • Epistaxsis • Allergic reaction • Bruit heard in neck • Neck mass inferiorly • Hoarseness • Blurred vision

  5. SINUSES PA view Nasal Septum Frontal Sinus Maxillary Sinus Ethmoid Sinus Inferior Turbinate Odontoid process Superior orbital fissure 2 7 4 3 1 5 6

  6. AP WATERS VIEW SINUSES 1. Frontal sinus 2. Ethmoid Sinus 3. Nasal Septum (bony) 4. Zygomatical-Frontal Suture 5. Maxillary Sinus 6. Zygoma 7. Zygomatic Arch 8. Mandible 9. Inferior orbital margin 10. Left orbit 1 10 2 4 5 3 6 9 7 8

  7. 1. Frontal Sinus 2. Maxillary Sinus 3. Ethmoid Sinus 4. Spenoid Sinus 5. Sella Turcica 6. Occipital Bone 7. Mastoid Air Cells 8. Floor of posterior fossa 9. Anterior arch of C-1 10. Mandible 11.Coronal Suture 11 1 3 5 7 2 4 6 9 8 10 Lateral Sinus & Skull

  8. SKULL Townes view 1. Parietal bone 2. Lambdoid suture 3. Foramen magnum 4. Petrous temporal bone 5. Mandible 6. Mastoid air cells 1 1 2 3 4 6 5

  9. 1. Lat. & Med. ptyergoid plate • 2. Ethmoid Sinus • 3. Odontoid Process • 4. Sphenoid Sinus • 5. Foramen ovale • 6. Maxillary Sinus • 7. Mastoid air cells • 8. Ant arch of C-1 • 9. Margin of foramen magnum • 10. Ext. auditory canal 6 2 1 5 4 10 8 3 7 9 BASE OF SKULL

  10. CAROTID CANAL JUGULAR FORAMEN CT SKULL BASE

  11. MANDIBULAR CONDYLE MASTOID AIR CELLS CT SKULL BASE

  12. ZYGOMATIC ARCH EXTERNAL AUDITORY CANAL CT SKULL BASE

  13. FORAMEN OVALE FORAMEN SPINOSUM CT SKULL BASE

  14. AIRWAY • Calcified tracheal cartilage rings • Hyoid bone • Epiglottis • Thyroid cartilage • Cricoid cartilage 3 2 5 4 1

  15. 3 • LATERAL NECK • Hard pallate • Soft pallate • Nasopharynx • Oropharynx 1 2 4

  16. 1 2 SWALLOWING STUDY 4 3

  17. ARTERIOGRAM • Internal Carotid Artery • Intracranial Carotid • Maxillary Artery • Occipital Artery • External Carotid Artery • Common Carotid Artery • Facial Artery 2 3 4 7 1 5 6

  18. Color Doppler Ultrasound of Carotid Artery

  19. CT- SINUS AXIAL VIEW 1. Frontal Sinus 1

  20. CT- SINUS AXIAL VIEW 1. Ethmoid Sinus 2. Sphenoid Sinus 3. Carotid canal 1 2 3

  21. CT- SINUS AXIAL VIEW • Maxillary Sinus • Med. & Lat. Pterygoid plate • Nasopharynx • Nasal septum • Inferior turbinate 1 4 5 2 3

  22. CT- SINUS AXIAL VIEW 1 • Maxillary Sinus • Hard Palate • Mandible • Masseter muscle 2 4 4 3 3

  23. CT- SINUS CORONAL VIEW • Fronto-nasal suture • Frontal sinus • Nasal bones 2 1 3

  24. CT- SINUS CORONAL VIEW 1 1. Ethmoid sinus 2. Inferior turbinate 3. Middle turbinate 3 2

  25. CT- SINUS CORONAL VIEW • Maxillary sinus • Nasal Septum 1 2

  26. CT- SINUS CORONAL VIEW 1 • Sphenoid sinus • Hard Palatte 2

  27. CT ORBIT AXIAL SCAN • Retrorbital fat • Medial rectus • Lens • Lateral rectus • Optic nerve 2 1 4 3 5

  28. LT MAXILLARY SINUSES ZYGOMA SCAN LEVEL ZYGOMA SPHENOID SINUS

  29. MANDIBULAR CONDYLE MAXILLA LT SCAN LEVEL EXTERNAL AUDITORY MEATUS NASOPHARNYX MASTOIDS

  30. MANDIBLE LT MASSETER MUSCLE MASSETER MUSCLE SCAN LEVEL PTERYGOID MUSCLES PAROTID GLAND

  31. LT SUBMANDIBULAR GLAND SCAN LEVEL EPIGLOTTIS STERNOCLEIOMASTOID MUSCLE SUBCUTANEOUS FAT

  32. LT HYOID BONE SCAN LEVEL VALLECULA PRYIFORM SINUS JUGULAR VEIN JUGULAR VEIN COMMON CAROTID ARTERIES

  33. LT STERNOCLEIDOMASTOID MUSCLE SCAN LEVEL THYROID CARTILAGE VOCAL CORD

  34. LT THYROID CARTILAGE SCAN LEVEL COMMON CAROTID ARTERY CRICOID CARTILAGE JUGULAR VEIN

  35. LT SCAN LEVEL THYROID GLAND CLAVICLE CLAVICLE FAT FAT ESOPHAGUS TRACHEA

  36. CASE HISTORIES: • Facial pain • Trauma to orbit • Epistaxsis • Allergic reaction • Bruit heard in neck • Neck mass inferiorly • Hoarseness • Blurred vision

  37. FACIAL PAIN AND NASAL CONGESTION

  38. CT SINUS AXIAL SCAN

  39. CT SINUS CORONAL SCAN

  40. CT SINUS AXIAL SCAN

  41. TRAUMA TO ORBIT

  42. ORBITAL FLOOR FRACTURE

  43. CT FACIAL CORONAL SCAN

  44. TRIPOD FRACTURE • Zygomatic-frontal suture • Zygomatic arch • Maxillary sinus wall

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