raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:508501

Orofaciodigital syndrome type 18

Synonyms: OFD18 · Oral-facial-digital syndrome type 18 · Oral-facial-digital syndrome with short stature and brachymesophalangy

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Neonatal
Status
active

A rare developmental disorder of the ciliopathy group characterized by oral anomalies (multiple oral frenula, missing incisors), facial dysmorphism (such as square face with small forehead, upslanting palpebral fissures, and cleft lip, among other features), digital anomalies (brachydactyly, brachymesophalangy, polydactyly), and short stature. Additional reported manifestations include short femoral neck, bilateral cervical ribs, abnormal vertebral bodies, and gracile long bones.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOrofaciodigital syndrome type 18OFD18 · Oral-facial-digital syndrome type 18 · Oral-facial-digital syndrome with short stature and brachymesophalangy
frSyndrome orofaciodigital type 18OFD18 · Syndrome oro-facio-digital avec petite taille et brachymésophalangie
deOro-fazio-digitales Syndrom Typ 18OFD18 · Oro-Fazio-Digitales Syndrom mit Kleinwuchs und Brachymesophalangie
esSíndrome orofaciodigital tipo 18OFD18 · Síndrome oral-facial-digital tipo 18 · Síndrome orofaciodigital con talla baja y braquimesofalangia
itSindrome orofaciodigitale tipo 18Sindrome oro-facio-digitale con bassa statura e brachimesofalangia · OFD18 · Sindrome oro-facio-digitale tipo 18
nlOrofaciodigitaal syndroom type 18OFD18 · Oraal-faciaal-digitaal syndroom met kleine gestalte en brachymesofalangie · Oraal-faciaal-digitaal syndroom type 18
ptSíndrome oro-facio-digital com baixa estatura e braquimesofalangia
plZespół ustno-twarzowo-palcowy typu 18OFD18 · Oralfacialdigital syndrome typu 18 · Zespół ustno-twarzowo-palcowy typu 18
csOrofaciodigitální syndrom s malým vzrůstem a brachymezofalangiíOFD18 · Orofaciodigitální syndrom, typ 18
ukОрофаціодігітальний синдром з низьким зростом і брахімезофалангієюOFD18 · Орально-лицево-пальцевий синдром, тип 18 · Орофаціально-дигітальний синдром, тип 18
zh口-面-指综合征伴有身材矮小和趾畸形口-面-指综合征18型
trKısa boy ve brakiimofalangili ile seyreden oral-fasyal-dijital sendromOFD18 · Orofasiyodijital sendromu tip 18 · Oral-fasiyal-dijital sendromu tip 18

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617927Evalidated
ICD-10Q87.0NTBTattributedvalidated
MONDO0034823Evalidated
MONDO34823Evalidated
MONDO54770Evalidated
UMLSC5567903Evalidated

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

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
IFT57Disease-causing germline mutation(s) inAssessedHGNC:17367ENSG000001144466066213q13.12-q13.13intraflagellar transport 5727060890[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families3 casesWorldwideCase(s)Validated27060890[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_27060890[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.

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HPO phenotypes

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

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Sources for this card