1. Zygomatic Arches
&
Nasal Bones
1/15/2012 class

2. Zygomatic Arches

3. Jug Handle View X R

4. Jug Handle View R

5. Zygomatic Arches- SMV (jughandle view)
Note technique considerably reduced! R
Temporal process of zygoma
Zygomatic arch
zygomatic process of temporal bone

6. Note difference in technique between SMV - skull and SMV - zygomatic arch

7. Zygomatic arches- SMV Similar to position for skull or sinus SMV
CR perpendicular to IOML,between arches, 1” posterior to outer canthus
Tilt image receptor if possible

8. Zygomatic arches- SMV Evaluation Criteria
No rotation of head
Arches free from superimposition of overlying structures
Arches symmetric
Arches not burned out

9. You make the Call! R R
Depression fx. Left zygomatic arch

10. One advantage of cats:

11. What do you do when you get a patient with flat cheekbones or depression fx. ?

12. Single Zygomatic Arch – tangential projection

13. Single Zygomatic Arch -tangential projection

14. Single Zygomatic Arch-Tangential projection
CR to side of interest, perp. To IOML
Tilt top of head 15 degrees away from side of interest
? Rotate midsagital plane15 degrees towards side of interest
Bilateral

15. Tangential projection
Single Zygomatic Arch
Tangential projection

17. Salvador Dali- how many women?7

18. Zygomatic Arches-AP Axial
Occipital
Mandible
Zygomatic arch

19. Zygomatic Arch-AP Axial
Similar to Towne, except CR enters at glabella instead of 2” above
CR 30 deg. Caudad to OML

20. AP Axial Zygomatic Arches Evaluation Criteria
No rotation
Arches project laterally off rami
Collimation and reduced technique

21. -more than just a place to rest your glasses?
Nasal Bones
-more than just a place to rest your glasses?

22. Paired bones making up superior bony wall of nasal cavity –
Nasal bones
Paired bones making up superior bony wall of nasal cavity –
bridge of nose
Along with lacrimal bones, thinnest and most fragile bones of entire human body !!

24. Nasal Bones

26. Naso-frontal suture (nasion) Nasal bone Anterior nasal spine
Lateral Nasal bones R
Naso-frontal suture
(nasion)
Nasal bone
Anterior nasal spine A B C

27. Projections for Nasal Series
Lateral
Waters
Tangential?

28. Nasal bones-lateral projection
2 exposures on one film? (No longer- algorithm can’t process on digital)
8x10 lengthwise
CR perpendicular to bridge of nose, 1/2” distal to nasion
Close collimation L R X

29. Nasal bones-lateral projection

30. Nasal bones-lateral projection

33. Did you know dogs have a sense of smell 10,000 to 100,000 x greater than humans?
Can detect CANCER patients by sniffing urine- at a rate 3x expected by chance
Probably due to abnormal proteins in urine
How to communicate?

34. Dogs Sniffing Breath
After short, intensive training, 5 Labrador retrievers and 2 Portuguese water dogs
In a double blind study sniffed 55 Pts with lung cancer, 31 with breast cancer 83 healthy people
90 % success rate
Able to detect early stages
Hoping to create electronic device

35. When dealing with drunk, disoriented, dim or uncooperatiave patients, the need for immobilization may require creative use of available equipment-

36. Nasal Bones-Parieto-acanthial projection
Demonstrates displacement of bony nasal septum (Vomer and perp. Plate of ethmoid)
depressed fx’s of nasal wings R

37. Nasal bones- Tangential projection
Doesn’t work well on children, large foreheads, protruding front teeth, concave faces

38. Nasal Bones-Tangential projection

39. Nasal bones -Tangential
If you had no occlusal film--

40. What is the proper medical term for “nosejob”?
Rhinoplasty!

41. Does it help?

45. King of all Rhinoplasty

46. Rare condition known as “Penis Proboscus”
“Sure, kids made fun of me when I was young, but now I love it
when I have a cold. It feels so good when you blow my nose!” !

47. You think you work with old equipment?
From a book published 1941

50. The End