juvenile polyposis of infancy
MONDO:0019190Mondo
Findings
No curated finding names juvenile polyposis of infancy yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Juvenile polyposis of infancy (JPI) is the most severe form of juvenile gastrointestinal polyposis and is characterized by pancolonic hamartomatous polyposis from stomach to rectum, diagnosed in the first two years of life.
Definition from the Mondo Disease Ontology (MONDO:0019190), read 2026-09-29. CC BY 4.0.
Features
43 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, annotations 2026-09-02.
- Adenomatous colonic polyposisHPOHP:0005227
- Obligate (100% of cases)
- AnemiaHPOHP:0001903
- Very frequent (80% to 99% of cases)
- DiarrheaHPOHP:0002014
- Very frequent (80% to 99% of cases)
- Gastrointestinal hemorrhageHPOHP:0002239
- Very frequent (80% to 99% of cases)
- Abdominal painHPOHP:0002027
- Frequent (30% to 79% of cases)
- Abnormal bleedingHPOHP:0001892
- Frequent (30% to 79% of cases)
- Abnormal facial shapeHPOHP:0001999
- Frequent (30% to 79% of cases)
- CachexiaHPOHP:0004326
- Frequent (30% to 79% of cases)
- Hamartomatous polyposisHPOHP:0004390
- Frequent (30% to 79% of cases)
- HemangiomaHPOHP:0001028
- Frequent (30% to 79% of cases)
- HematocheziaHPOHP:0002573
- Frequent (30% to 79% of cases)
- HypertelorismHPOHP:0000316
- Frequent (30% to 79% of cases)
Show the remaining 31
- HypoalbuminemiaHPOHP:0003073
- Frequent (30% to 79% of cases)
- Intellectual disabilityHPOHP:0001249
- Frequent (30% to 79% of cases)
- Large foreheadHPOHP:0002003
- Frequent (30% to 79% of cases)
- MacrocephalyHPOHP:0000256
- Frequent (30% to 79% of cases)
- MelenaHPOHP:0002249
- Frequent (30% to 79% of cases)
- Protein-losing enteropathyHPOHP:0002243
- Frequent (30% to 79% of cases)
Where it sits
- A kind of
Other names
3 names
Resolves to: juvenile polyposis of infancy
- Also called
- infantile juvenile polyposis syndromeinfantile onset juvenile polyposis syndromejuvenile polyposis syndrome of infancy