hypertrophic pyloric stenosis


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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.

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.
References in periodicals archive ?
Smooth muscle cell hypertrophy versus hyperplasia in infantile hypertrophic pyloric stenosis.
Infantile hypertrophic pyloric stenosis after pertussis prophylaxis with erythromycin: a case review and cohort study.
Hypertrophic pyloric stenosis in the infant without a palpable olive: Accuracy of sonographic diagnosis.
Electron microscopic observation in infantile hypertrophic pyloric stenosis (IHPS).

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