raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:251262

Familial osteochondritis dissecans

Synonyms: Osteochondritis dissecans and short stature

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Childhood
Status
active

Familial osteochondritis dissecans is a rare genetic skeletal disorder characterized clinically by abnormal chondro-skeletal development, disproportionate short stature and skeletal deformation mainly affecting the knees, hips, ankles and elbows with onset generally in late childhood or adolescence.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial osteochondritis dissecansOsteochondritis dissecans and short stature
frOstéochondrite disséquante familialeOstéochondrite disséquante et petite taille
deOsteochondrosis dissecans, familiäreOsteochondritis dissecans und Kleinwuchs
esOsteocondritis disecante familiarOsteocondritis disecante y talla baja
itOsteocondrite dissecante familiareOsteocondrite dissecante e bassa statura
nlFamiliale osteochondritis dissecansOsteochondritis dissecans en kleine gestalte
ptOsteocondrite dissecante familiarOsteocondrite dissecante e baixa estatura
plRodzinna oddzielająca jałowa martwica kostno-chrzęstnaOddzielająca jałowa martwica kostno-chrzęstna i niski wzrost
csFamiliární osteochondritis dissecansOsteochondritis dissecans a nízký vzrůst
ukСімейний остеохондроз розсіянийОстеохондроз дисекантний і низький зріст
zh家族性剥脱性骨软骨炎剥脱性骨软骨炎和身材矮小
trAilesel osteokondrit dissecansOsteokondritis dissekans ve kısa boy

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M93.2NTBTattributedvalidated
ICD-11FB82.1NTBTindexvalidated
MONDO0100462Evalidated
MeSHC580095Evalidated
UMLSC3665488Evalidated
GARD4133Evalidated

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
ACANDisease-causing germline mutation(s) inAssessedHGNC:319ENSG0000015776615576015q26.1aggrecan20137779[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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