Fig. 1

Migration of fish bones into abdominal para-aortic tissue from the duodenum after leading to duodenal perforation a Emergency abdominal computed tomography (CT) scan showed High density streaks along the horizontal anterior and lower edges of the duodenum. b Second abdominal computed tomography (CT) scan showed duodenal horizontal foreign body with peritonitis, local inclusional effusion or abscess. c Intraoperative endoscopy showed the foreign body had penetrated the intestinal wall at the junction between the horizontal and ascending parts of the duodenum. d A fishbone-like foreign body about 3 cm long was found in the inflamed tissue below the perforation. e The fishbone was like a knife