Small Bowel Obstruction Due to Transperitoneal Incarceration After Anterior Lumbar Interbody Fusion: A Case Report.

We present the case of a 76-year-old woman who experienced severe abdominal pain and vomiting 14 days after undergoing anterior lumbar interbody fusion. CT revealed a mechanical small bowel obstruction with a transition point in the proximal ileum. During surgery, an incarcerated bowel loop was discovered, having herniated into the preperitoneal space.