raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2952

Adducted thumbs-arthrogryposis syndrome, Christian type

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

A type of arthrogryposis characterized by congenital cleft palate, microcephaly, craniostenosis and arthrogryposis (limitation of extension of elbows, flexed adducted thumbs, camptodactyly and clubfeet). Additional features include facial dysmorphism ('myopathic' stiff face, antimongoloid slanting, external ophthalmoplegia, telecanthus, low-set large malrotated ears, open mouth, microgenia and high arched palate). Velopharyngeal insufficiency with difficulties in swallowing, increased secretion of the nose and throat, prominent occiput, generalized muscular hypotonia with mild cyanosis and no spontaneous movements, seizures, torticollis, areflexia, intellectual disability, hypertrichosis of the lower extremities, and scleredema (in the first days of life) are also observed. The disease often leads to early death. Transmission is autosomal recessive. No new cases have been described since 1983.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAdducted thumbs-arthrogryposis syndrome, Christian type
frSyndrome des pouces en adduction-arthrogrypose, type Christian
deAdduzierte Daumen-Arthrogrypose-Syndrom Typ Christian
esSíndrome de pulgares en aducción-artrogriposis, tipo Christian
itSindrome pollici addotti-artrogriposi, tipo Christian
nlGeadduceerde duimen - artrogrypose-syndroom, Christian-type
ptSíndrome de polegares adutos-artrogripose, tipo Christian
plZespół przywiedzionych kciuków i artrogrypozy, typ Christiana
csSyndrom zahrnující addukované palce na rukou a artrogrypózu, Christianův typ
ukСиндром доданих великих пальців рук-артрогрипозу, тип Крістіану
zh拇指内收-关节挛缩综合征,Christian型
trAddukte başparmak-artrogripozis sendromu, Christian tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM201550Evalidated
ICD-10Q74.8NTBTattributedvalidated
MONDO0008724Evalidated
UMLSC4304055Evalidated
GARD10277Evalidated

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 (3):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families9 casesWorldwideCase(s)Validated6662143[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_6662143[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.

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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