Unusual pyloric obstruction in children. Report of six operated cases

• Main Authors: Aguirre Gómez Berenice (Author), Asz Sigall José (Author), Medina Vega Francisco Antonio (Author)
• Format: Book
• Published: Instituto Nacional de Pediatría, 2014-07-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Hypertrophic pyloric stenosis (HPS) is a condition present in approxi- mately 0.25-0.5% of all live newborns 1. It usually presents between the third and the twelfth weeks of extrauterine life, predominantly in males in a 4:1 ratio. HPS results from a hypertrophy of the muscle layer, the etiology is...