S Afr J Surg
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A congenital posterolateral diaphragmatic (Bochdalek) hernia generally presents with symptoms within a day after birth. This article reports on 3 children whose hernias produced symptoms for the first time beyond a week of age. One 3-year-old child died acutely with symptoms resembling that of a tension pneumothorax. ⋯ The first requisite for the diagnosis of a congenital diaphragmatic hernia (CDH) is a high index of suspicion. Cystic lesions or masses in the lower lung fields should suggest the possibility of a CDH with herniated abdominal content at any age. Congenital diaphragmatic hernias should be included in the differential diagnosis of apparent lower lobe pneumonias in all children below a month of age.