1. The Skull

2. Things to know
3 views AP
AP axial
Lateral

3. AP
10 X 12 lengthwise 18
Shield
Marker
Hold breath

4. Positioning Patient Supine on table
Flex neck until the OML is perpendicular to IR
Mid line to Mid line
No rotation or tilt

5. CR perpendicular
Enter at Glabella
SID 40
Collimate to outer skull

6. Seen on Film
Frontal bone

7. AP Towne
10 X 12 lengthwise 20
Shield
Marker
Hold breath

8. Positioning Patient supine on table Mid line to midline
Depress chin until OML is perpendicular to IR
No rotation or titling
Ensure vertex of skull in light field

9. CR 30 Degrees caudad
2 1/1 inches above the glabella
SID 40

10. Seen on film
Occipital bone

11. Lateral 10 x 12 Crosswise 80 @ 10 Shield Marker Hold breath
Collimate to skull margins

12. Positioning Patient is prone on table
Turn head with side of interest near the IR
Interpupillary line perpendicular to IR
Mid-line to Mid-line
No rotation or tilt
Make sure the external occipital protuberance and the nasion or glabella is equal distance from table

13. CR perpendicular to IR
2 inches above the EAM
SID 40

14. Seen on film
Lateral cranium nearest IR
Sella turcica in profile