raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2763

Osteocraniostenosis

Synonyms: Gracile bone dysplasia · Osteocraniosplenic syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Antenatal, Neonatal
Status
active

Osteocraniostenosis is a lethal skeletal dysplasia characterized by a cloverleaf skull anomaly, facial dysmorphism, limb shortness, splenic hypo/aplasia and radiological anomalies including thin tubular bones with flared metaphyses and deficient calvarial mineralization.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOsteocraniostenosisGracile bone dysplasia · Osteocraniosplenic syndrome
frOstéocraniosténoseSyndrome des os graciles · Syndrome ostéocraniosplénique
deOsteokraniostenoseGrazile-Knochen-Dysplasie · Osteokraniosplenisches Syndrom
esOsteocraneoestenosisDisplasia con huesos gráciles · Síndrome osteo-cráneo-esplénico
itOsteocraniostenosiDisplasia con ossa gracili · Sindrome osteo-cranio-splenica
nlOsteocraniostenoseDysplasie met dunne botten · Osteocraniosplenisch syndroom
ptOsteocranioestenose
plOsteokraniostenozaDysplazja wiotkich kości · Zespół kostno-czaszkowo-śledzionowy
csOsteokraniostenózaDysplázie gracilních kostí · Osteokraniosplenický syndrom
ukОстеокраніостенозГрацильна дисплазія кісток · Остеокраніоспленічний синдром
zh狭颅症骨颅脾综合征
trOsteokraniostenozGrasil kemik displazisi · Osteokraniyosplenik sendrom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM602361Evalidated
ICD-10Q78.8NTBTattributedvalidated
ICD-11LD24.DNTBTindexvalidated
MONDO0011215Evalidated
MeSHC537291Evalidated
UMLSC1865639Evalidated
GARD3396Evalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FAM111ADisease-causing germline mutation(s) inAssessedHGNC:24725ENSG0000016680161529211q12.1FAM111 trypsin like peptidase A23684011[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families30 casesWorldwideCase(s)Validated12210352[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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