raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:137834

Frank-Ter Haar syndrome

Synonyms: Ter Haar syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Antenatal, Neonatal
Status
active

A rare primary bone dysplasia characterized by megalocornea, multiple skeletal anomalies, characteristic facial dysmorphism (wide fontanels, prominent forehead, hypertelorism, prominent eyes, full cheeks and micrognathia) and developmental delay.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFrank-Ter Haar syndromeTer Haar syndrome
frSyndrome de Frank-Ter HaarSyndrome de Ter Haar
deFrank-ter Haar-Syndrom
esSíndrome de Frank-Ter HaarSíndrome de Ter Haar
itSindrome di Frank-Ter HaarSindrome di Ter Haar
nlSyndroom van Frank-Ter HaarSyndroom van Ter Haar
ptSíndrome Frank-Ter HaarSíndrome Ter Haar
plZespół Franka i Ter HaaraZespół Ter Haara
csFrankův-ter Haarův syndromTer Haarův syndrom · Frank-ter Haarův syndrom
ukСиндром Франка-Тер ХаараСиндром Тер Хаара
zhFrank-Ter Haar综合征Ter Haar综合征
trFrank-Ter Haar sendromuTer Haar sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM249420Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD25.1NTBTindexvalidated
MONDO0009579Evalidated
MeSHC537274Evalidated
UMLSC1855305Evalidated
GARD5138Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SH3PXD2BDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:29242ENSG000001747056132935q35.1SH3 and PX domains 2B20137777[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families30 casesWorldwideCase(s)Validated22037860[PMID]_23140272[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_22037860[PMID]_23140272[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

33 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001061Acne
HP:0010885Avascular necrosis
HP:0001156Brachydactyly
HP:0000280Coarse facial features
HP:0000490Deeply set eye
HP:0005280Depressed nasal bridge
HP:0000316Hypertelorism
HP:0001634Mitral valve prolapse
HP:0002797Osteolysis
HP:0000322Short philtrum
HP:0012471Thick vermilion border
HP:0001072Thickened skin
HP:0000154Wide mouth
HP:0000431Wide nasal bridge
Frequent (79-30%)
HP:0005916Abnormal metacarpal morphology
HP:0004568Beaking of vertebral bodies
HP:0000337Broad forehead
HP:0100490Camptodactyly of finger
HP:0004209Clinodactyly of the 5th finger
HP:0000684Delayed eruption of teeth
HP:0000494Downslanted palpebral fissures
HP:0002816Genu recurvatum
HP:0000212Gingival overgrowth
HP:0000348High forehead
HP:0001387Joint stiffness
HP:0002808Kyphosis
HP:0000303Mandibular prognathia
HP:0006480Premature loss of teeth
HP:0000411Protruding ear
HP:0002650Scoliosis
Occasional (29-5%)
HP:0000771Gynecomastia
HP:0000023Inguinal hernia
HP:0001537Umbilical hernia

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card