1. Radiology

2. Dr. Manal Bukhari King Saud University Otolaryngology Assistant professor consultant Phonosurgeon King Abdulaziz University

3. X ray nasal bone

4. Plain x ray sinuses Caldwell veiw (posteroanterior)

5. Waters view

6. Lateral view

7. Normal CT scan

8. CT scan sinuses

11. Fungal sinusitis

13. angiofibroma

14. Subperoisteal abscess

15. Brain abscess

16. Blow out fracture Trap door---------- inferior rectus muscle( tear drop) SSX: endophthalmus,double vision limitaion eye movement,

17. nasopharynx

18. Epiglottitis

21. Choanal atresia

22. Parapharyngeal space: Potential space lies out side the pharynx Triangular in cross section, it extend from the base of the skull above to the sup mediastinum and apex of hyoid bone Anteromedial wall: buccopharyngeal fascia Posteromedial wall : cervical vertebrae, prevertebral muscle and fascia Lateral wall: (up) the mandible,tergoid muscle, pparotid gland (Lower) sternomastoid muscle Compartment :prestyloid:internal maxillary artery, fat,inferior alveolar,lingual, and auricultemporal nerves. Poststyloid: neurovascular bundle (carotid artery,, internal jugular vein, sympathatic chain,CN IX,X and,XI

23. Retropharyngeal abscess

24. Retropharyngeal space : It extend from the base of skull to supr mediastinum Lies behind the pharynx Ant:postrior pharyngeal wall and its covering buccopharyngeal fascia Post: cervical vertebrae and muscles and fascia Contents : Reteropharyngeal lymph nodes

26. CT scan larynx

27. X ray esophagus

29. Barium swallow Achalasia

34. X ray salivary gland

35. siologram

37. Normal temporal bone

40. CT scan temporal bone

46. Temporal bone fracture Longitudinal: 80% CHL Bleeding Facial nerve paralysis may happen

47. Transverse Less common Vertigo Facial neve paralysis

48. acoustic neuroma

49. Acoustic neuroma

55. Thank you