The main symptom of the congenital diaphragmatic hernia is the respiratory distress due to the pulmonary hypoplasia and the persistence of fetal pulmonary circulation. Sometimes the congenital diaphragmatic hernia appears after the neonatal period with respiratory symptoms, abdominal pain and seldom with intestinal obstruction. It can rarely be asymptomatic in adults.We report a case of strangulated Bochdalek's hernia causing gangrene and perforation of the stomach without volvulus in a previously asymptomatic adult patient