Abstract
A 78-year-old man presented with diffuse abdominal pain, localized peritonitis and raised inflammatory markers. CT revealed an mesentery abcess with a linear high density structure in continuity with the adjacent small bowel lumen. Laparoscopy showed a perforation by a fish bone. Gastrointestinal tract perforation by foreign body ingestion is rare complication (1%). There are some risk factors and prefered locations of perforation. Time interval between ingestion and complication can vary extremely.