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Updated: May 7, 2026

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique
Published on: January 6, 2023
CT-guided iliosacral screw placement
Richard H Daffner1, Robert L Sciulli
1Department of Diagnostic Radiology, Allegheny General Hospital, Pittsburgh, Pennsylvania.
Computed tomography (CT)-guided iliosacral screw placement is a safe and accurate method for treating pelvic fractures. This technique, performed in radiology, offers superior precision compared to traditional fluoroscopy.
Area of Science:
- Orthopedic Surgery
- Radiology
- Trauma Care
Background:
- Posttraumatic instability of the iliosacral joint is a significant complication of pelvic fractures.
- Traditional surgical approaches often rely on fluoroscopic guidance, which may have limitations in accuracy.
Purpose of the Study:
- To describe the technique of CT-guided percutaneous iliosacral screw placement for unstable pelvic fractures.
- To evaluate the safety and accuracy of this procedure in a radiology department setting.
Main Methods:
- Percutaneous placement of cannulated surgical screws across the iliosacral joint.
- Utilizing computed tomography (CT) for precise guidance during screw insertion.
- Application in patients with unstable pelvic fractures.
Main Results:
- CT guidance enables more accurate screw placement compared to traditional fluoroscopic methods.
- The procedure is demonstrated to be safe for execution within a radiology department.
Conclusions:
- CT-guided iliosacral screw placement is a safe and effective technique for managing unstable pelvic fractures.
- This method offers enhanced accuracy, potentially improving patient outcomes in trauma care.
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