Illustration copyright 2000 by Nucleus
Communications, Inc. All rights reserved.
Pyloric stenosis is a condition in which a baby's pylorus (the
connection between the stomach and the first part of the small intestine)
gradually swells and thickens. This interferes with food entering the
intestine and causes the baby to vomit most or all of his or her
To treat pyloric stenosis, a surgeon cuts the ring of muscle
(sphincter) in the pylorus. This widens the channel between the stomach and the
intestine. Pyloric stenosis does not usually occur again after a baby has been
December 9, 2011
John Pope, MD - Pediatrics & Brad W. Warner, MD - Pediatric Surgery
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