The incidence of hiatal hernia in infants and children. Results of a survey of members of the Society for Pediatric Radiology.

A questionaire regarding the incidence of hiatal hernia in infants and children was sent to the 50 largest departments of pediatric radiology in the United States and Canada. The 36 returned revealed that the larger departments see an average of 3.2 hiatal hernias per year or about 0.62 per cent of their upper gastrointestinal studies.