A case report of S1-S3 sacroiliac screw fixation for posterior pelvic ring injury with S1 sacral dysmorphism.

IF 0.6 Q4 SURGERY International Journal of Surgery Case Reports Pub Date : 2025-01-20 DOI:10.1016/j.ijscr.2025.110917

Bin Zhao, Qi Liu, Junqiang Wang, Xuecheng Sun, Hongtao Li

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Abstract

Introduction: There are few reports on the treatment of pelvic posterior ring injury with Sacral 1 - Sacral 3(S1-S3)sacroiliac screw fixation. This article reports a case of pelvic posterior ring injury with S1 sacral dysmorphism treated with S1-S3 sacroiliac screw fixation and reviews the relevant research progress.

Presentation of the case: A 72-year-old man riding e-bike was struck by a car at a high speed and diagnosed with pelvic fracture. The patient successfully underwent treatment of 3 sacroiliac screws (S1-S3) fixation. Postoperative X-rays and CT scans confirmed that all screws were in good position and located in the bone corridors. Follow up pelvic Majeed score of 96 at 11th month after surgery.

Discussion: Preoperative CT scans of this patient showed that S1 segment was a dysmorphic sacrum with narrow corridor while S2 and S3 segments were wide corridors. S1-S3 sacroiliac screw fixation can be attempted.

Conclusion: For patients with posterior pelvic ring injury with S1 sacral dysmorphism, S1-S3 sacroiliac screw fixation may be a better choice.

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