Rare diseases · Sign or symptom

Gastric diverticulum

HP:0100808

What it means

An outpouching of the gastric wall.

Gastric diverticulum may be asymptomatic or may present with a vague sensation of fullness or discomfort in the upper abdomen, or with acute upper gastrointestinal bleed or perforation.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Stomach diverticulum

Gastric diverticulum

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.