Lateral sinus Flashcards
1
Q
What plane should be positioned parallel to the IR?
A
MSP
2
Q
What line should be positioned perpendicular to the IR?
A
IPL
3
Q
The head should be positioned so that which line is parallel with the long axis of the IR?
A
IOML
4
Q
What is the central ray location?
A
1/2”-1” posterior to outer canthus
5
Q
Which direction should the IR be placed in the buckey?
A
CW
6
Q
If the patient suffered symptoms in the left sinuses, which lateral should be performed?
A
Left
7
Q
Which paranasal sinuses are best demonstrated in this image?
A
Ethmoidal, frontal, sphenoid
8
Q
If the patient cannot be positioned upright for this image, what alternative may be used to demonstrate air/fluid levels?
A
Dorsal decubitus
9
Q
What structure should be demonstrated in profile?
A
Sella turcica
