raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2741

Ophthalmomandibulomelic dysplasia

Synonyms: OMM syndrome · Pillay syndrome

Type
Malformation syndrome
Group
Disorder
Age of onset
No data available
Status
active

Ophthalmomandibulomelic dysplasia is characterized by complete blindness due to corneal opacities, difficult mastication due to temporomandibular fusion and anomalies of the arms.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOphthalmomandibulomelic dysplasiaOMM syndrome · Pillay syndrome
frDysplasie ophtalmo-mandibulo-méliqueSyndrome OMM · Syndrome de Pillay
deOphthalmo-mandibulo-mele DysplasieOMM-Syndrom · Pillay-Syndrom
esDisplasia oftalmo-mandíbulo-mélica
itDisplasia oftalmo-mandibolo-melicaSindrome OMM · Sindrome di Pillay
nlOftalmomandibulomele dysplasieOMM-syndroom · Syndroom van Pillay
ptDisplasia oftalmo-mandibulo-mélicaSíndrome Pillay
plDysplazja oczno-żuchwowo-kończynowaZespół OMM · Zespół Pillay'a
csOftalmomandibulomelická dysplázieOMM syndrom · Pillayův syndrom
ukОфтальмомандибуломелічна дисплазіяСиндром ОММ · Синдром Піллай
zh眼下颌支发育不良Pillay综合征
trOftalmomandibulomelik displaziOMM sendromu · Pillay sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM164900Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-119A70.YNTBTindexvalidated
MONDO0008127Evalidated
MeSHC563501Evalidated
UMLSC1833872Evalidated
GARD4365Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families3 casesWorldwideCase(s)Validated14161103[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_14161103[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

19 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0004348Abnormality of bone mineral density
HP:0006501Aplasia/Hypoplasia of the radius
HP:0000618Blindness
HP:0100490Camptodactyly of finger
HP:0007957Corneal opacity
HP:0003042Elbow dislocation
HP:0006441Lateral humeral condyle aplasia
HP:0001376Limitation of joint mobility
HP:0003027Mesomelia
HP:0002983Micromelia
HP:0005446Obtuse angle of mandible
HP:0006439Radioulnar dislocation
HP:0002974Radioulnar synostosis
HP:0009773Symphalangism affecting the phalanges of the hand
HP:0005048Synostosis of carpal bones
HP:0012478Temporomandibular joint ankylosis
HP:0006055Ulnar deviated club hands
Occasional (29-5%)
HP:0000501Glaucoma
HP:0000485Megalocornea

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card