Gastric emphysema in infants with hypertrophic pyloric stenosis.

Gastric emphysema in unusual in infants and children. Air in the wall of the stomach can rarely occur in children with gastric outlet obstruction due to hypertrophic pyloric stenosis. The clinical features and radiographic appearance of this association are described in three infants, and the value of the lateral radiograph is illustrated. The differential diagnostic considerations, importance of correct radiologic diagnosis and results of proper therapy are discussed.