Meckel’s diverticulum

Meckel’s diverticulum
Updated: 02/22/2019
© Jun Wang, MD, PhD

General features
  • Most common GI tract congenital anomaly
  • Usually incidental finding during laparoscopy or surgery, image studies
  • Remnant of omphalomesenteric duct
  • More common in male
  • May contain ectopic tissue, most commonly gastric tissue
  • Complications: Inflammation, perforation, fistula formation, intussusception, obstruction, etc
Pathogenesis
  • Failure of vitelline duct (omphalomesenteric duct) involution
Clinical presentations
  • Usually asymptomatic
  • Symptomatic more common in patients under 10
  • Symptoms associated with complications
Inflammation
Bleeding
Ulcer
Fistula
Intussusception
Obstruction
  • May present with acute abdominal complaints
Pathological features
Treatment
  • Surgery


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