1. Rad T 270
Skull Position Review

17. To PA or AP Generally, for Skull work PA is better AP
You lower dose to the eyes
You minimize magnification of the orbits
You put the important anatomy closer to the film AP
For severe trauma when its difficult to place the patient prone or upright

20. Watch what happens as the angulation move from slightly cephalic to caudal.

21. 10 degrees
cephalic

22. O degree

23. 15 degrees
caudal

24. Modified Schuller’s
23 degrees caudal

25. Modified Water’s
OML 55 degrees
Equal to
35 degree caudal

26. Water’s
OML
37 degrees
Equals
53 degrees caudal