raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2780

Osteopathia striata-cranial sclerosis syndrome

Synonyms: Hyperostosis generalisata with striations · Robinow-Unger syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked dominant
Age of onset
Antenatal, Infancy, Neonatal
Status
active

Osteopathia striata with cranial sclerosis (OS-CS) is a bone dysplasia characterized by longitudinal striations of the metaphyses of the long bones, sclerosis of the craniofacial bones, macrocephaly, cleft palate and hearing loss.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOsteopathia striata-cranial sclerosis syndromeHyperostosis generalisata with striations · Robinow-Unger syndrome
frSyndrome d'ostéopathie striée-sclérose crânienneHyperostose généralisée striée · Syndrome de Robinow-Unger
deOsteopathia striata - kraniale Sklerose
esSíndrome de osteopatía estriada-esclerosis craneal
itOsteopatia striata - sclerosi cranicaIperostosi generalizzata striata
nlOsteopathia striata - craniale sclerose-syndroomGegeneraliseerde hyperostose met strepen · Syndroom van Robinow-Unger
ptSíndrome de osteopatia estriada-esclerose cranianaHiperostose generalisada estriada
plOsteopathia striata - stwardnienie czaszkiHiperostoza uogólniona z żłobieniami · Zespół Robinowa i Ungera
csSyndrom zahrnující osteopathia striata a kraniální sklerózuHyperostosis generalisata se striemi · Robinowův-Ungerové syndrom · Robinow-Ungerové syndrom
ukСиндром остеопатії смугастої кістки - черепно-мозкового склерозуГенералізований гіперостоз зі смугами · Синдром Робінова-Унгера
zh条纹状骨病-颅骨硬化综合征全身性骨质增生伴条纹
trOsteopati striata-kraniyal skleroz sendromuRobinow-Unger sendromu · Çizgili hiperostoz generalisata

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300373Evalidated
ICD-10Q87.5NTBTattributedvalidated
ICD-11LD24.1YNTBTindexvalidated
MONDO0010310Evalidated
MeSHC536053Evalidated
UMLSC0432268Evalidated
GARD4148Evalidated

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 (4):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CTNNB1Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:2514ENSG000001680361168063p22.1catenin beta 138173341[PMID]
AMER1Disease-causing germline mutation(s) inAssessedHGNC:26837ENSG00000184675300647Xq11.2APC membrane recruitment protein 119079258[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families100 casesWorldwideCase(s)Validated15266607[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

44 annotations · validated 2017-06-26
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000944Abnormal metaphysis morphology
HP:0005465Facial hyperostosis
HP:0008808High iliac wings
HP:0011001Increased bone mineral density
HP:0008818Large iliac wings
HP:0011002Osteopetrosis
HP:0100670Rough bone trabeculation
HP:0002684Thickened calvaria
Frequent (79-30%)
HP:0000193Bifid uvula
HP:0000175Cleft palate
HP:0000405Conductive hearing impairment
HP:0000270Delayed cranial suture closure
HP:0000684Delayed eruption of teeth
HP:0005469Flat occiput
HP:0002007Frontal bossing
HP:0002705High, narrow palate
HP:0000239Large fontanelles
HP:0000256Macrocephaly
HP:0011220Prominent forehead
HP:0002650Scoliosis
HP:0000176Submucous cleft hard palate
HP:0000431Wide nasal bridge
Occasional (29-5%)
HP:0001650Aortic valve stenosis
HP:0002381Aphasia
HP:0001555Asymmetry of the thorax
HP:0000248Brachycephaly
HP:0000518Cataract
HP:0002514Cerebral calcification
HP:0001680Coarctation of aorta
HP:0010529Echolalia
HP:0000286Epicanthus
HP:0010628Facial palsy
HP:0012368Flat face
HP:0001263Global developmental delay
HP:0003307Hyperlordosis
HP:0001249Intellectual disability
HP:0000369Low-set ears
HP:0000347Micrognathia
HP:0002300Mutism
HP:0000358Posteriorly rotated ears
HP:0000278Retrognathia
HP:0003510Severe short stature
HP:0001328Specific learning disability
HP:0003298Spina bifida occulta

Run the differential on the 8 obligate / very frequent terms

Annotation source: 15266607[PMID]_19079258[PMID]

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Sources for this card