Petersen's hernia with chylous ascites following laparoscopic total gastrectomy and Roux-en-Y anastomosis: A case report and review of literature

Figure 1 Computed tomography. A: The white circle and white dashed area in the image illustrate the Petersen defect; B: The white circle and white dashed line highlight the "whirl" sign, which is indicative of small bowel torsion.

Figure 2 Surgical findings. A: The black arrows in the image point to chylous ascites and mesenteric chyle infiltration; B and C: The black text description illustrates the relationship between the proximal jejunum, distal jejunum, and Petersen defect following total gastrectomy with Roux-en-Y Anastomosis; D: The black text indicates the closure of the Petersen defect.