A Case of Meckel’s Diverticulum Penetrating the Abdominal Wall and Forming Bladder Anterior Cavity Abscess

Abstract

Most cases of Meckel’s diverticulum are asymptomatic, but it can cause various symptoms. We report a rare case of Meckel’s diverticulum penetrating the abdominal wall and forming a bladder anterior cavity abscess. A 6-year-old boy had a lower abdominal pain in the last 4 days. He complained of an increase in the severity of abdominal pain and fever, and he was brought to a clinic. Owing to suspicion of gastrointestinal perforation, he was brought to our hospital for emergency treatment and emergency surgery was conducted on the same day. Laparoscopic observation showed that Meckel’s diverticulum penetrated the abdominal wall and formed a bladder anterior cavity abscess. We performed resection of Meckel’s diverticulum and abscess drainage. His postoperative course was uneventful. Histopathological analysis revealed ectopic gastric mucosa at the tip of Meckel’s diverticulum. Perforated ulcer was formed in the intestinal mucosa near the boundary between the ectopic gastric mucosa and the normal intestinal mucosa. Although preoperative diagnosis is difficult, exploratory laparoscopy enabled intraoperative diagnosis and a good postoperative course.