For an AP oblique sacroiliac joint projection (LPO position), the
1)patient's midsagittal plane is placed at a 25- to 30-degree angle with the imaging table.
2)sacroiliac joint of interest is positioned farther from the IR.
3)right marker should be used.
4)central ray is centered 1 inch (2.5 cm) medial to the elevated ASIS.
A) 1 only
B) 2 and 4 only
C) 2, 3, and 4 only
D) 1, 2, 3, and 4

Question

Quizplus · Accepted Answer

The correct answer is C because in an AP oblique sacroiliac joint projection (LPO position), the patient's midsagittal plane is placed at a 25- to 30-degree angle with the imaging table, the sacroiliac joint of interest is positioned farther from the IR, the central ray is centered 1 inch (2.5 cm) medial to the elevated ASIS, and the right marker should be used.

For an AP Oblique Sacroiliac Joint Projection (LPO Position), the