Hypertrophic Pyloric Stenosis
Overview Definition Hypertrophic pyloric stenosis is a functional obstruction of the gastric outlet caused by hypertrophy and hyperplasia of both the circular and longitudinal layers of the pylorus in infants. Epidemiology The most common cause of intestinal obstruction in infants Occurs in 1–3 in 1,000 infants in the United States More common in whites, males, […]