raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79076

Juvenile polyposis of infancy

Synonyms: Infantile juvenile polyposis syndrome

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Infancy, Neonatal
Status
active

This disease is described under Juvenile polyposis syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enJuvenile polyposis of infancyInfantile juvenile polyposis syndrome
frPolypose juvénile infantile
dePolyposis-Syndrom, juveniles, frühkindliche FormPolypose, juvenile, infantile Form
esPoliposis juvenil del lactanteSíndrome de poliposis juvenil del lactante
itPoliposi infantile e giovanile
nlJuveniele polyposis beginnend in de zuigelingentijdInfantiele juveniele polyposis-syndroom · Juveniele polyposis, infantiele vorm
ptPolipose juvenil infantilSíndrome polipose juvenil forma infantil
plMłodzieńcza polipowatość niemowlątDziecięcy zespół polipowatości
csJuvenilní polypóza v dětském věkuSyndrom infantilní juvenilní polypózy
ukЮвенільний поліпоз дитячого вікуСиндром інфантильного ювенільного поліпозу
zh婴儿幼年性息肉病婴幼儿息肉病综合征
trSüt çocuğu jüvenil polipozisiİnfantil jüvenil polipoz sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM175050NTBTvalidated
OMIM612242NTBTvalidated
ICD-10D12.6NTBTattributedvalidated
ICD-112B90.YNTBTindexvalidated
MONDO0019190Evalidated
UMLSC5445164Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
BMPR1ARole in the phenotype ofAssessedHGNC:1076ENSG0000010777960129910q23.2bone morphogenetic protein receptor type 1A16685657[PMID]_22993021[PMID]_23331837[PMID]
PTENRole in the phenotype ofAssessedHGNC:9588ENSG0000017186260172810q23.31phosphatase and tensin homolog16685657[PMID]_22993021[PMID]_23331837[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families11 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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

43 annotations · validated 2019-01-07
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0005227Adenomatous colonic polyposis
Very frequent (99-80%)
HP:0001903Anemia
HP:0002014Diarrhea
HP:0002239Gastrointestinal hemorrhage
Frequent (79-30%)
HP:0002027Abdominal pain
HP:0001892Abnormal bleeding
HP:0001999Abnormal facial shape
HP:0004326Cachexia
HP:0004390Hamartomatous polyposis
HP:0001028Hemangioma
HP:0002573Hematochezia
HP:0000316Hypertelorism
HP:0003073Hypoalbuminemia
HP:0001249Intellectual disability
HP:0002003Large forehead
HP:0000256Macrocephaly
HP:0002249Melena
HP:0002243Protein-losing enteropathy
HP:0005505Refractory anemia
Occasional (29-5%)
HP:0001627Abnormal heart morphology
HP:0001631Atrial septal defect
HP:0010174Broad phalanx of the toes
HP:0011304Broad thumb
HP:0100759Clubbing of fingers
HP:0005280Depressed nasal bridge
HP:0000494Downslanted palpebral fissures
HP:0030257Freckled genitalia
HP:0002007Frontal bossing
HP:0001290Generalized hypotonia
HP:0010797Hemangioblastoma
HP:0002705High, narrow palate
HP:0001256Intellectual disability, mild
HP:0002584Intestinal bleeding
HP:0002576Intussusception
HP:0000369Low-set ears
HP:0006608Midclavicular hypoplasia
HP:0001270Motor delay
HP:0000160Narrow mouth
HP:0001643Patent ductus arteriosus
HP:0002035Rectal prolapse
HP:0000331Short chin
HP:0004322Short stature
Very rare (<4-1%)
HP:0001031Subcutaneous lipoma

Run the differential on the 4 obligate / very frequent terms

Annotation source: 25022750[PMID]_23331837[PMID]_16685657[PMID]_20301642[PMID]

7

Sources for this card