Skull Projections

Question 1

What are the Skull Projections we do?

Answer 1

• PA & PA Axial (Caldwell)
• AP Axial (Towne Method)
• Lateral Right or Left

Question 2

For a lateral projection of the skull, what is your Position of Part?

Answer 2

• Adjust the patients head so that the MSP is PARALLEL to the plane of the IR
• Adjust flexion of patients neck so that the IOML (infraorbitomeatal line) is perpendicular to the front edge of the IR
• Adjust head to place the IPL (inter-pupillary line) perpendicular to the IR

Question 3

Central Ray for Lateral Skull:

Answer 3

Perpendicular, entering 2 inches superior to the EAM

Question 4

Structures shown on an Lateral Skull:

Pg. 34

Question 5

Evaluation Criteria for Lateral Skull:
Pg. 34

Answer 5

• Sella turcica in profile