raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:329971

Generalized juvenile polyposis/juvenile polyposis coli

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant
Age of onset
All ages
Status
active

This disease is described under Juvenile polyposis syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGeneralized juvenile polyposis/juvenile polyposis coli
frPolypose juvénile généralisée/Polypose juvénile colorectale
deGeneralisierte juvenile Polyposis/juvenile Polyposis coli
esPoliposis juvenil generalizada/poliposis juvenil coli
itPoliposi giovanile generalizzata/poliposi giovanile del colon
nlGegeneraliseerde juveniele polyposis/juveniele polyposis coli
ptPolipose generalizada juvenil/polipose do colón juvenil
plUogólniona młodzieńcza polipowatość jelita cienkiego
csGeneralizovaná juvenilní polypóza/juvenilní polyposis coli
ukГенералізований ювенільний поліпоз / ювенільний поліпозний коліт
zh青少年息肉/遗传性出血性毛细血管扩张综合征
trJeneralize jüvenil polipoz/jüvenil polipoz koli
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM174900Evalidated
OMIM175050NTBTvalidated
ICD-10D12.6NTBTattributedvalidated
ICD-112B90.YNTBTattributedvalidated
MONDO0008276Evalidated
UMLSC5680947Evalidated

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 (1):

No children.

4

Genes

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ENGCandidate gene tested inNot yet assessedHGNC:3349ENSG000001069911311959q34.11endoglin17204053[PMID]_18178612[PMID]
BMPR1ADisease-causing germline mutation(s) inAssessedHGNC:1076ENSG0000010777960129910q23.2bone morphogenetic protein receptor type 1A18823382[PMID]
SMAD4Disease-causing germline mutation(s) inAssessedHGNC:6770ENSG0000014164660099318q21.2SMAD family member 418823382[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass 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

11 annotations · validated 2019-01-08
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001892Abnormal bleeding
Frequent (79-30%)
HP:0005227Adenomatous colonic polyposis
HP:0001903Anemia
HP:0001017Anemic pallor
HP:0002573Hematochezia
HP:0100896Rectal polyposis
Occasional (29-5%)
HP:0000969Edema
HP:0001510Growth delay
HP:0004394Multiple gastric polyps
Very rare (<4-1%)
HP:0004783Duodenal polyposis
HP:0030256Small intestinal polyposis

Run the differential on the 1 obligate / very frequent terms

Annotation source: 27072264[PMID]_20301642[PMID]_29169633[PMID]_26672891[PMID]_20301642[PMID]

7

Sources for this card