ATRESIAS of the gastrointestinal tract are not rare as they occur once in every 10,-000 births. Most surgeons caring for neonatal patients are therefore familiar with the diagnosis and management of esophageal, intestinal, and anal atresias.
Pyloric and prepyloric atresias however have been documented in only 21 infants.1-19 These account for only a fraction of 1% of all newborn infants with atresias reported. Surprisingly, this lesion had not been described until Bennett's report in 1937.1 The first successfully managed patients were described by Touroff and Sussman, and Metz et al in 1940.2,3 Most pertinent to this discussion is the third successfully managed patient with pyloric atresia, reported by Benson and Coury in 1951.7 The first patient to be seen with pyloric atresia at the University of Michigan Medical Center in December 1966 is the sister of Benson's patient. Within three months, a second infant with