July 1971

Hypertrophic Pyloric Stenosis in Older Infants

Author Affiliations

Danville, Pa
From the Department of Surgery, Geisinger Medical Center, Danville, Pa.

Am J Dis Child. 1971;122(1):76-79. doi:10.1001/archpedi.1971.02110010112023

Hypertrophic pyloric stenosis is rarely seen after 3 months of age. There have been only six well documented cases reported previously. No one theory adequately explains the etiology of all cases.