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Pyloric stenosis

Pyloric stenosis

Overview

A narrowing of the outlet from the stomach to the small intestine (called the pylorus) that occurs in infants.

Review Date 9/5/2017

Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.