PA 2: Facial Bones

Question 1

What is the patient orientation for a scan of the facial bones?

Answer 1

Head first, supine, sponge under knees

Question 2

How do we ensure that the head is positioned symmetrically?

Answer 2

Use the interpupillary line/outer canthus bilaterally

Question 3

Where is the internal laser for a scan of the facial bones?

Answer 3

Just inferior to the chin.

Question 4

What should we tell the patient before they enter the gantry, and why?

Answer 4

“Close your eyes” so they don’t get lasered

Question 5

What is an appropriate location for the coronal laser the patient?

Answer 5

EAM or half way between EAM and outer canthus.

Question 6

The patient’s neck should be extended.

Answer 6

False, chin should be tucked towards chest as much as possible.

Question 7

What is the DFOV for a facial bone scan?

Answer 7

18 cm

Question 8

What is the scan start location for a facial bones scan?

Answer 8

Just below mandible

Question 9

What is the scan end location for a facial bones scan?

Answer 9

Just above frontal sinus