Most common congenital abnormality of the small intestines
Failure of vitelline duct to obliterate
Ectopic gastric mucosa
History / PE:
Painless melena in a 2-3 yo child
Diagnosis:
Technectium-99m pertechnate scan
Pneumonic:
Rule of two's
Two inches long
Two feet from the ileocecal valve
Two % of the population, presents within first two years of life
May contain two types of epithelial tissue