All of the following should be clearly demonstrated on a lateral projection of the paranasal sinus,except:
A) all four paranasal sinus groups.
B) petrous ridge in lower third of orbits.
C) sella turcica in profile.
D) superimposed orbital roofs.

Question

Quizplus · Accepted Answer

The petrous ridge in the lower third of the orbits is not a requirement for a lateral projection of the paranasal sinuses. This is more relevant for skull radiographs, not specifically for sinus imaging.

All of the Following Should Be Clearly Demonstrated on a Lateral