Patient was planned for emergency surgical exploration after all preoperative investigations. A midline incision was given, and exploration was done, which showed evidence of a 2.5cm defect in the mesentery near the fourth part of the duodenum, left paraduodenal hernia was seen through the mesentery with herniation of jejunal loops, and herniated loops were viable with active peristalsis seen. Constriction ring evident at 40 cm from Duodenojejunal flexure on jejunum, the ring formed at the site of rent in the mesentery [Figure 2-4].
Figure 2: 2.5 cm defect in mesentry near 4 th part of duodenum where jejunum is herniating (shown by arrow).