raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:157798

Serrated polyposis syndrome

Synonyms: Hyperplastic polyposis syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Multigenic/multifactorial, Unknown
Age of onset
Adult, Elderly
Status
active

A rare, genetic intestinal disease characterized by the presence of multiple (usually large) hyperplastic/serrated colorectal polyps, usually with a pancolonic distribution. Histology reveals hyperplastic polyps, sessile serrated adenomas (most common), traditional serrated adenomas or mixed polyps. It is associated with an increased personal and familial (first-degree relatives) risk of colorectal cancer.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSerrated polyposis syndromeHyperplastic polyposis syndrome
frSyndrome de polypose denteléePolypose hyperplasique
deSerratiertes Polyposis-SyndromPolyposis-Syndrom, hyperplastisches
esSíndrome de poliposis serradaSíndrome de poliposis hiperplásica
itSindrome da poliposi iperplasticaPoliposi serrata
nlGekartelde polyposis-syndroomZaagtand-polyposis · Hyperplastische polyposis-syndroom
ptSíndrome com polipose hiperplástica
plZespół polipowatości hiperplastycznejPolipowatość ząbkowana
csPolypózní syndrom s hyperplastickými polypySerátní polypóza
ukСиндром зубчастого поліпозуСиндром гіперпластичного поліпозу
zh增生性息肉综合征锯齿状息肉病
trHiperplastik polipoz sendromuTırtıklı polipoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617108Evalidated
ICD-10D12.6NTBTattributedvalidated
ICD-112E92.40NTBTindexvalidated
MONDO0015524Evalidated
UMLSC4296896Evalidated
MedDRA10085922Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RNF43Disease-causing germline mutation(s) inAssessedHGNC:18505ENSG0000010837561248217q22ring finger protein 4327081527[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 100 0001 / 100 000WorldwideValue and classNot yet validated22851664[PMID]_21636642[PMID]
Point prevalence1-5 / 10 000—EuropeClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

14 annotations · validated 2019-01-09
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0200063Colorectal polyposis
Frequent (79-30%)
HP:0005227Adenomatous colonic polyposis
HP:0100808Gastric diverticulum
Occasional (29-5%)
HP:0100834Neoplasm of the large intestine
Very rare (<4-1%)
HP:0100574Biliary tract neoplasm
HP:0002862Bladder carcinoma
HP:0003002Breast carcinoma
HP:0100728Germ cell neoplasia
HP:0012189Hodgkin lymphoma
HP:0002861Melanoma
HP:0100615Ovarian neoplasm
HP:0006725Pancreatic adenocarcinoma
HP:0012125Prostate cancer
HP:0100008Schwannoma

Run the differential on the 1 obligate / very frequent terms

Annotation source: 24512911[PMID]_27081527[PMID]_1645228[PMID]_7463029[PMID]

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Sources for this card