title: Pyloric duplication in a preterm neonate.
abstract: A five-day-old premature infant presented with hyperbilirubinemia, vomiting, and an abdominal mass. At laparotomy a gastric duplication cyst was removed from the pyloric region.
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D011708:Pylorus / Q000002:abnormalities* / Q000601:surgery; D014839:Vomiting / Q000209:etiology