[Delayed complication of surgical treatment of duodenal atresia in neonatal period].

We report a 48-year-old woman who underwent surgery in early neonatal period for duodenal atresia and developed subsequent diseases of the upper gastrointestinal tract. Symptoms of gastric outlet obstruction, gastrointestinal bleeding and malnutrition developed over the past 5 years. Inflammatory and cicatricial lesions of gastrojejunostomy formed for congenital duodenal obstruction following annular pancreas required reconstructive surgery.