Meckel’s Diverticulum

  • Etiology: persistent remnant of omphalomesenteric (vitelline) duct which runs in umbilical cord connecting primitive midgut (terminal ileum) and extraembryonic sac that involutes by 6th week
  • Meckel’s scan: shows simultaneous appearance of radiotracer in stomach + diverticulum as ~ 50% contain ectopic gastric mucosa
  • Clinical: antimesenteric, rule of 2: in 2% of population, is 2 feet from ileocecal valve, 2% get complications, complications occur before 2 years old

Cases of Meckel’s Diverticulum