Data on the roentgenographic appearance of the esophagus in infancy are meager. The only extensive study is that of Henderson1 on the newborn. He found that the esophagus at this age appears as a straight or fusiform tube with smooth contours. The lower half nearly always distends to a greater size than the upper, and there may be considerable stasis in this portion.
METHOD OF STUDY
This series consisted of 32 infants, ranging in age from 3 weeks to 22 months, chosen at random from the wards at Bellevue Hospital. All infants were well at the time of examination and were free from gastrointestinal symptoms. Several had recovered from minor infections.The regular feeding was omitted, and in its place a mixture of barium sulfate and acacia, sweetened with sugar, was given.2 The mixture was made thick enough to drip through a 2 mm. nipple opening at the