raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:659904

Multiple congenital anomalies-neurodevelopmental delay-ocular abnormalities syndrome

Synonyms: PRR12-related neuroocular syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Status
active

A rare multiple congenital anomalies/dysmorphic syndrome characterized by neurodevelopmental delay, intellectual disability, variable structural eye defects including anophthalmia, microphthalmia, coloboma, optic nerve and iris abnormalities. Hypotonia and heart defects are present in the majority of the patients. Additional variable clinical features may include growth failure, skeletal abnormalities, kidney anomalies, sleeping problems and behavioral disturbances such as autism and anxiety.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enMultiple congenital anomalies-neurodevelopmental delay-ocular abnormalities syndromePRR12-related neuroocular syndrome
frSyndrome d'anomalies congénitales multiples-retard neurodéveloppemental-anomalies oculairesSyndrome neurooculaire lié à PRR12
deMultiple kongenitale Anomalien-neurologische Entwicklungsverzögerung-Augenanomalie-SyndromPRR12-assoziiertes neurookuläres Syndrom
esSíndrome de anomalías congénitas múltiples-retraso del neurodesarrollo-anomalías ocularesSíndrome neuroocular asociado a PRR12
itSindrome anomalie congenite multiple-ritardo dello sviluppo neurologico-anomalie oculariSindrome neuro-oculare correlata a PRR12
nlMultipele congenitale anomalieën - neurologische ontwikkelingsachterstand - oogafwijkingen-syndroomPRR12-gerelateerd neuro-oculair syndroom
ptSíndrome de anomalias congénitas múltiplas-perturbação do neurodesenvolvimento-anomalias ocularesSíndrome neuro-ocular PRR12-relacionada
plZespół z mnogimi wadami wrodzonymi, opóźnieniem neurorozwojowym i nieprawidłowościami oka= en
csSyndrom zahrnující mnohočetné vrozené anomálie, neurovývojové opoždění a abnormality očí= en
ukСиндром множинних вроджених аномалій-затримки нейророзвитку-аномалій очейНейроокулярний синдром, повязаний з PRR12

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM619539Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0971007Evalidated
MONDO971007Evalidated
UMLSC5925133Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PRR12Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:29217ENSG0000012646461663319q13.33proline rich 1233824499[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families29 casesWorldwideCase(s)Validated29556724[PMID]_33314030[PMID]_ 33824499[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated29556724[PMID]_33314030[PMID]_ 33824499[PMID]_ORPHANET

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

Orphanet has no HPO annotation for this code in this release.

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Sources for this card