raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:562559

Anterior maxillary protrusion-strabismus-intellectual disability syndrome

Synonyms: MRAMS syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy
Status
active

A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by the association of severe intellectual disability, strabismus, and anterior maxillary protrusion with vertical maxillary excess, open bite, and prominent crowded teeth. Mild cochlear hearing loss has been reported in addition.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAnterior maxillary protrusion-strabismus-intellectual disability syndromeMRAMS syndrome
frSyndrome de protrusion maxillaire antérieure-strabisme-déficience intellectuelleSyndrome MRAMS
deVordere Oberkieferprotrusion-Strabismus-Intelligenzminderung-SyndromMRAMS-Syndrom
esSíndrome de protrusión maxilar anterior-estrabismo-discapacidad intelectualSíndrome MRAMS
itSindrome protrusione mascellare anteriore-strabismo-disabilità intellettivaSindrome MRAMS
nlAnterieure maxillaire protrusie - strabisme - intellectuele achterstand-syndroomMRAMS-syndroom
ptSíndrome de protusão maxilar anterior-estrabismo-perturbação do desenvolvimento intelectual
plZespół niepełnosprawności intelektualnej, protruzji szczęki i zezaZespół MRAMS
csSyndrom zahrnující přední čelistní protruzi, strabismus a mentální retardaci= en
ukСиндром передньої верхньощелепної протрузії-косоокості-інтелектуальної недостатностіСиндром MRAMS
zh上颌前突-斜视-智力障碍综合征MRAMS综合征
trAnterior maksiller çıkıntı-şaşılık-zihinsel yetersizlik sendromuMRAMS sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613671Evalidated
ICD-10F72.8NTBTattributednot yet validated
MONDO0013353Evalidated
UMLSC3150924Evalidated

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 (6):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SOBPDisease-causing germline mutation(s) inAssessedHGNC:29256ENSG000001123206136676q21sine oculis binding protein homolog17618476[PMID]_21035105[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 casesWorldwideCase(s)Validated17618476[PMID]_21035105[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_17618476[PMID]_21035105[PMID]

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.

7

Sources for this card