An AP oblique lumbar projection (RPO or LPO position) with accurate positioning demonstrates
1)the superior and inferior articular processes in profile.
2)"Scotty dogs" that are stacked on top of one another.
3)the obturator foramina.
4)the pedicles situated closest to the IR in the center of the vertebral bodies.

Question

Quizplus · Accepted Answer

The AP oblique lumbar projection (RPO or LPO position) accurately demonstrates the superior and inferior articular processes in profile, "Scotty dogs" that appear to be stacked on top of one another, and the pedicles situated closest to the image receptor (IR) in the center of the vertebral bodies. The obturator foramina are not visualized in this projection as they are part of the pelvic skeleton, not the lumbar spine.

An AP Oblique Lumbar Projection (RPO or LPO Position) with Accurate