Fig. 2

Intraoperative findings. (2A) The bladder left wall was inverted, wherein the small intestine was incarcerated as Richter’s hernia (arrow). (2A’) Schema, A; small intestine, B; incarcerated small intestine, C; bladder diverticulum, D; bladder. (2B) The water pressure method was used to reposition the intestine (arrow). (2C) Although the small intestine exhibited a dark red color and edema, there was no manifested necrosis or perforations. After releasing the incarceration, bloody ascites in the gap flowed into the abdominal cavity (arrow). (2D) Inverted bladder diverticulum (arrow). (2E) Eversion of the inverted bladder diverticulum (arrow)