raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:324364

Mixed sclerosing bone dystrophy with extra-skeletal manifestations

Type
Disease
Group
Disorder
Age of onset
Neonatal
Status
active

A rare, genetic, primary bone dysplasia with increased bone density disorder characterized by bone abnormalities, including metaphyseal plaques, osteopathia striata, marked cranial sclerosis, and sclerosis of the ribs and long bones, as well as macrocephaly, cleft palate, hearing loss, developmental delay, and facial dysmorphism (hypertelorism, prominent forehead, wide nasal bridge). Hypotonia, tracheo-/laryngomalacia, and astigmatic myopia are also associated.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMixed sclerosing bone dystrophy with extra-skeletal manifestations
frDystrophie osseuse sclérosante mixte avec manifestations extra-squelettiques
deGemischte sklerosierende Knochendystrophie mit extraskelettalen Manifestationen
esDistrofia ósea esclerosante mixta con manifestaciones extraesqueléticas
itDistrofia ossea sclerosante mista con manifestazioni extrascheletriche
nlGemengde scleroserende botdystrofie met extra-skeletale manifestaties
ptDistrofia óssea esclerosante mista com manifestações extra-esqueléticas
plMieszana stwardniająca dystrofia kości z objawami pozaszkieletowymi
csSmíšená sklerozující kostní dystrofie s extraskeletálními manifestacemi
ukЗмішана склерозуюча кісткова дистрофія з позаскелетними проявами
zh混合性硬化性骨营养不良伴骨外表现
trİskelet dışı belirtiler ile seyreden karma sklerozan kemik distrofisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.5NTBTattributedvalidated
ICD-11LD24.1YNTBTattributedvalidated
MONDO0017930Evalidated
UMLSC5191052Evalidated

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/families2 casesWorldwideCase(s)Validated22821701[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_22821701[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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card