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Trait

Serrated intestinal polyps

The presence of multiple serrated polyps in the intestine. Unlike conventional adenomas, which are uniformly dysplastic, the vast majority of serrated lesions contain no dysplasia. The serrated class includes the hyperplastic polyps, which are not considered precancerous; sessile serrated polyps (also called sessile serrated adenomas); and traditional serrated adenomas. Sessile serrated polyps are larger on average and more often located in the proximal colon. Sessile serrated polyps have a more irregular surface, a pattern to the surface that has been called cloudlike, and indistinct edges compared with hyperplastic polyps. Sessile serrated polyps also have large open pits on the surface (type O pits) when viewed with magnification.

HPO HP:0032222

Summary

Body system
Abnormality of the digestive systemAbnormal tissue mass

1 gene linked to Serrated intestinal polyps

Changes in these genes cause rare conditions in which Serrated intestinal polyps is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

GeneHow often it is seenConditions
RNF43ring finger protein 43Not recordedIn 1 condition

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Broader traits

Growths in inner lining of intestine

Where this comes from

  • The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
  • Data release 2026.10.17-8666dff2.

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