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A reference for what the literature reports. Not medical advice.

© 2026 CatalystPrivacy TermsReference data under the licences listed on the attribution page.

pyloric stenosis

MONDO:0001561Mondo

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Findings

No curated finding names pyloric stenosis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

Narrowing of the pyloric lumen caused either by hypertrophy of the surrounding muscles or tissue scarring due to a chronic peptic ulcer.

Definition from the Mondo Disease Ontology (MONDO:0001561), read 2026-09-29. CC BY 4.0.

Where it sits

A kind of: stomach disorder
Narrower terms (1): hypertrophic pyloric stenosis

Other names

3 names

Resolves to: pyloric stenosis

Also called: gastric outlet obstructionGOOpyloric stenosis (disease)