raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2380

Legg-Calvé-Perthes disease

Synonyms: Aseptic necrosis of the capital femoral epiphysis · Osteochondrosis of the capital femoral epiphysis · Perthes disease

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Multigenic/multifactorial
Age of onset
Childhood
Status
active

A rare osteochondrosis characterized by uni- or bilateral avascular necrosis (AVN) of the femoral head in children.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLegg-Calvé-Perthes diseaseAseptic necrosis of the capital femoral epiphysis · Osteochondrosis of the capital femoral epiphysis · Perthes disease
frMaladie de Legg-Calvé-PerthesMaladie de Perthes · Ostéochondrite des épiphyses fémorales · Ostéochondrite primitive de hanche
deLegg-Calvé-Perthes-KrankheitOsteochondritis der Femurkopfepiphyse · Osteochondrose der Hüftkopfepiphyse · Perthes-Krankheit
esEnfermedad de Legg-Calvé-PerthesEnfermedad de Perthes · Necrosis aséptica de la epífisis capital femoral · Osteocondrosis de la epífisis capital femoral
itMalattia di Legg-Calvé-PerthesMalattia di Perthes · Necrosi asettica dell'epifisi capitale del femore · Osteocondrite dell'epifisi femorale capitale · Osteocondrosi dell'epifisi femorale capitale
nlZiekte van Legg-Calvé-PerthesAseptische necrose van epifyse van femurkop · Osteochondrose van epifyse van femurkop · Ziekte van Perthes
ptDoença de Legg-Calvé-PerthesDoença de Perthes · Osteocondrite deformante
plChoroba Legga, Calvé i PerthesaAseptyczna martwica nasady głowy kości udowej · Choroba Perthesa · Osteochondroza nasady głowy kości udowej · Osteochondroza nasady głowy kości udowej
csCalvého-Leggova-Perthesova nemocAseptická nekróza hlavice kosti stehenní · Perthesova nemoc · Osteochondritida epifýzy hlavice femuru · Osteochondróza epifýzy hlavice femuru · Calvé-Legg-Perthesova nemoc
ukХвороба Легга-Кальве-ПертесаАсептичний некроз капілярного епіфізу стегнової кістки · Остеохондроз епіфіза великого вертлюга стегнової кістки · Хвороба Пертеса
zhLegg-CalvÚ-Perthes病股骨头无菌性坏死
trLegg-Calvé-Perthes hastalığıPerthes hastalığı · Femur başı epifizinin osteokondrozu · Femur başı epifizinin aseptik nekrozu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM150600Evalidated
ICD-10M91.1Especificvalidated
ICD-11FB82.1NTBTindexvalidated
MONDO0007885Evalidated
MeSHD007873Evalidated
UMLSC1442965Evalidated
GARD6874Evalidated
MedDRA10034735Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
COL2A1Disease-causing germline mutation(s) inAssessedHGNC:2200ENSG0000013921912014012q13.11collagen type II alpha 1 chain17394019[PMID]_18512791[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET
Annual incidence1-9 / 100 0002 / 100 000WorldwideValue and classValidated22223709[PMID]_ORPHANET

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

8 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000164Abnormality of the dentition
HP:0002829Arthralgia
HP:0010885Avascular necrosis
HP:0100773Cartilage destruction
HP:0002750Delayed skeletal maturation
HP:0001373Joint dislocation
HP:0004322Short stature
HP:0003202Skeletal muscle atrophy

Run the differential on the 8 obligate / very frequent terms

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Sources for this card