Magnetic-assisted detection and extraction of dispersed metallic foreign bodies in the abdominal cavity: A case report

Figure 1 Preoperative abdominal radiography demonstrating multiple metallic foreign bodies distributed in the abdominal cavity.

Figure 2 Axial computed tomography imaging of metallic foreign body distribution in the abdominal cavity (orange arrows).

Figure 3 Schematic representation of magnetic foreign body localization procedure. A: Manual exploration of the gastrointestinal tract with the cylindrical magnet; B: Baseline colonic morphology without magnetic intervention; C: Magnetic-induced colonic wall deformation indicating foreign body localization.

Figure 4 Intraoperative findings of 30 metallic sewing needles retrieved from the gastrointestinal tract.