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Review Question - QID 3296

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QID 3296 (Type "3296" in App Search)
When placing a percutaneous retrograde pubic ramus screw for fixation of an acetabular fracture, which of the following radiographic views can best ensure that the screw does not exit the posterior aspect of the superior pubic ramus?

AP pelvis

0%

6/2194

Outlet obturator oblique view

13%

286/2194

Inlet iliac oblique view

74%

1622/2194

Iliac oblique view

4%

98/2194

Obturator oblique view

8%

174/2194

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As reviewed in the referenced article by Starr et al, when placing a retrograde pubic rami screw, the pelvic inlet iliac oblique view will best determine the anteroposterior placement of the screw in the pubic ramus. To ensure placement outside of the joint, the outlet obturator oblique is best, but all other views should be incorporated into determination of the position of fixation, as the corridor for this screw placement is quite narrow.

Illustration A shows a left sided inlet iliac view on a pelvic bone model.

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