Crohn disease
Findings
No curated finding names Crohn disease yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A gastrointestinal disorder characterized by chronic inflammation involving all layers of the intestinal wall, noncaseating granulomas affecting the intestinal wall and regional lymph nodes, and transmural fibrosis. Crohn disease most commonly involves the terminal ileum; the colon is the second most common site of involvement.
Definition from the Mondo Disease Ontology (MONDO:0005011), read 2026-09-29. CC BY 4.0.
Features
4 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, hp/releases/2026-09-01.
- Abdominal painMondoHP:0002027
- ConstipationMondoHP:0002019
- GingivitisMondoHP:0000230
- Recurrent aphthous stomatitisMondoHP:0011107
Where it sits
- A kind of
Other names
5 names
Resolves to: Crohn disease
- Also called
- Crohn's diseaseCrohn's disease of large bowelpaediatric Crohn's diseasepediatric Crohn's diseaseregional enteritis