4.0 of 66 Ratings
Anterior penetration of an iliosacral screw through the sacral ala would most likely lead to weakness of which of the following movements?
Great toe dorsiflexion
Select Answer to see Preferred Response
If a percutaneous iliosacral screw is placed too anteriorly, and the screw exits anterior to the sacral ala before re-entering the sacral body, what will be the most likely finding postoperatively?
Lack of ankle dorsiflexion
Lack of ankle plantarflexion
Lack of knee extension
Loss of bowel and/or bladder control
Lack of great toe extension
A 39-year-old male is thrown from his motorcycle into a fast-food restaurant and sustains a closed pelvic ring injury. During placement of percutaneous iliosacral screws, the outlet radiograph in Figure A is obtained. What purpose does this view serve?
Evaluation of possible injury to L5 nerve root
Evaluation of anterior-posterior position of screw(s)
Best visualization of sagittal curvature of sacral ala
Best visualization of spinal canal
Best visualization of sacral neural foramina