Pyloric Stenosis Learn about pyloric stenosis, causes, who is at risk, signs and symptoms, treatment, when to call the doctor and long-term prognosis for babies.
Pyloric Stenosis | Pediatric Surgery | Seattle Children's Hospital Pyloric stenosis (pronounced pie-LOR-ik sten-OH-sis) is a thickening of the muscle at the end of the stomach that can block or slow down the passage of food from the stomach to the intestine. This can cause a baby to vomit, often in a forceful way (called projectile vomiting).
Pyloric Stenosis Pyloric stenosis is a thickening of the muscle at the lower end of the stomach. This results in narrowing of the pyloric channel at the outlet of the stomach. Typical age of this disease is 2 weeks to 3 months.