raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:620146

Non-syndromic unisquamosal craniosynostosis

Synonyms: Isolated unisquamosal craniosynostosis · Non-syndromic unilateral squamosal suture synostosis

Type
Morphological anomaly
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Neonatal
Status
active

A form of non-syndromic unisutural craniosynostosis characterized by premature fusion of one of the two squamosal sutures. Most cases of isolated unilateral squamosal craniosynostosis are normocephalic. The risk of increased intracranial pressure is low.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enNon-syndromic unisquamosal craniosynostosisIsolated unisquamosal craniosynostosis · Non-syndromic unilateral squamosal suture synostosis
frCraniosynostose squameuse unilatérale non syndromiqueCraniosynostose squameuse unilatérale isolée
deKraniosynostose, unisquamosale, nicht-syndromaleIsolierte unisquamosale Kraniosynostose · Squamosalnahtsynostose, unilaterale, nicht-syndromale
esCraneosinostosis uniescamosa no sindrómicaCraneosinostosis monoescamosa aislada · Sinostosis de sutura escamosa unilateral no sindrómica
itCraniosinostosi unisquamosanon sindromicaCraniosinostosi isolata unisquamosa · Sinostosi monolaterale della sutura squamosa non sindromica
nlNiet-syndromale unilaterale synostose van sutura squamosaGeïsoleerde unilaterale craniosynostose van sutura squamosa
ptCraniossinostose uniescamosa não-sindromáticaCraniossinostose uniesquamosa isolada · Sinostose da sutura escamosa unilateral não-sindromática
plNiesyndromiczna kraniosynostoza obejmująca szew łuskowy= en
csNesyndromická uniskvamózní kraniosynostóza= en
ukНесиндромальний унісквамозний краніосиностозІзольований унісквамозний краніосиностоз · Несиндромний односторонній синостоз сквамозного шва

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q75.0NTBTattributedvalidated
ICD-11LB70.0YNTBTattributedvalidated
MONDO0850076Evalidated
UMLSC5680400Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
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.

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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