raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1525

Cranio-osteoarthropathy

Synonyms: Currarino disease · Currarino idiopathic osteoarthropathy · Reginato-Schiapachasse syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
active

Cranio-osteoarthropathy (COA) is a form of primary hypertrophic osteoarthropathy characterized by delayed closure of the cranial sutures and fontanels, digital clubbing, arthropathy, and periostosis.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCranio-osteoarthropathyCurrarino disease · Currarino idiopathic osteoarthropathy · Reginato-Schiapachasse syndrome
frCranio-ostéo-arthropathieMaladie de Currarino · Ostéoarthropathie idiopathique de Currarino · Syndrome de Reginato-Schiapachasse
deKranio-OsteoarthropathieReginato-Schiapachasse-Syndrom
esCráneo-osteo-artropatíaEnfermedad de Currarino · Osteoartropatía idiopática de Currarino · Síndrome de Reginato-Schiapachasse
itCranio-osteo-artropatia
nlCranio-osteoartropathieCurrarino idiopathische osteoartropathie · Reginato-Schiapachassesyndroom · Ziekte van Currarino
ptCranio-osteo-artropatiaSíndrome Reginato-Schiapachasse
plOsteoartropatia czaszkowaChoroba Currarino · Idiopatyczna osteoartropatia Currarino · Zespół Reginato i Schiapachasse
csKranioosteoartropatieCurrarinova nemoc · Currarinova idiopatická osteoartropatie · Reginatův-Schiapachasseův syndrom · Reginato-Schiapachasseův syndrom
ukКраніоостеоартропатіяХвороба Кураріно · Ідіопатична остеоартропатія Кураріно · Синдром Реджанато-Скіапахасса
zh颅-骨关节病Currarino特发性骨关节病
trKranio-osteoartropatiCurrarino hastalığı · Reginato-Schiapachasse sendromu · Currarino idiyopatik osteoartropati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM259100NTBTvalidated
ICD-10M89.4NTBTattributedvalidated
ICD-11FB86.10NTBTindexvalidated
MONDO0015466Evalidated
UMLSC2678439Evalidated
GARD1564Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HPGDDisease-causing germline mutation(s) inAssessedHGNC:5154ENSG000001641206016884q34.115-hydroxyprostaglandin dehydrogenase18500342[PMID]_21438135[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families30 casesWorldwideCase(s)ValidatedORPHANET
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

14 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003103Abnormal cortical bone morphology
HP:0000929Abnormal skull morphology
HP:0000239Large fontanelles
HP:0001070Mottled pigmentation
Frequent (79-30%)
HP:0002815Abnormality of the knee
HP:0002992Abnormality of tibia morphology
HP:0002829Arthralgia
HP:0001369Arthritis
HP:0100760Clubbing of toes
HP:0001387Joint stiffness
HP:0001386Joint swelling
HP:0002758Osteoarthritis
Occasional (29-5%)
HP:0004097Deviation of finger
HP:0000964Eczematoid dermatitis

Run the differential on the 4 obligate / very frequent terms

7

Sources for this card