hypertrophic pyloric stenosis


hy·per·tro·phic py·lor·ic ste·no·sis

muscular hypertrophy of the pyloric sphincter, associated with projectile vomiting appearing during the first few weeks after birth, more commonly seen in boys. Synonym(s): congenital pyloric stenosis

hypertrophic pyloric stenosis

Pediatrics A condition affecting neonates, primarily boys, in the 1st few wks after hatching Pathogenesis Defect in pyloric relaxation and pylorospasm Clinical Gastric outlet obstruction, projectile bile-free vomiting, metabolic alkalosis, dehydration

hy·per·tro·phic py·lor·ic ste·no·sis

(hī'pĕr-trō'fik pī-lōr'ik stĕ-nō'sis) Muscular hypertrophy of the pyloric sphincter, associated with projectile vomiting beginning in the second or third week of life, usually in males.
Synonym(s): congenital pyloric stenosis.