PA 2: Sinuses

Question 1

What is the patient position for the sinuses projection?

Answer 1

Head first, supine, Sponge under knees

Question 2

What should be done before advancing patient head into the gantry?

Answer 2

Make sure their head is positioned symmetrically.

Question 3

What should you warn the patient of before their head passes into the gantry?

Answer 3

Close their eyes.

Question 4

What is the internal laser for a sinus’s projection?

Answer 4

chin/mentum

Question 5

Should the patient’s chin be tucked, or extended for a sinuses projection?

Answer 5

Tucked as much as possible.

Question 6

What is the DFOV for a sinuses projection

Answer 6

16-18 cm

Question 7

What is the coronal laser for a sinuses projection?

Answer 7

EAM or midway between EAM and outer canthus

Question 8

The sinuses can be scanned in either helical, or axial. What is the scan start location for the axial scan?

Answer 8

Mid sella

Question 9

The sinuses can be scanned in either helical, or axial. What is the scan end location for the axial scan?

Answer 9

through frontal sinus

Question 10

The sinuses can be scanned in either helical, or axial. What is the scan start location for the helical scan?

Answer 10

Just above frontal sinus

Question 11

The sinuses can be scanned in either helical, or axial. What is the scan end location for the helical scan?

Answer 11

Below hard palate