raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1147

Sheldon-Hall syndrome

Synonyms: DA2B · Distal arthrogryposis multiplex congenita type 2B · Distal arthrogryposis type 2B · Freeman-Sheldon syndrome variant · SSH

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Neonatal
Status
active

A form of distal arthrogryposis characterized by multiple congenital non-progressive contractures of the distal joints of the limbs, in the absence of a primary neurological and/or muscle disease, and distinctive facial features, such as a triangular face shape, downslanting palpebral fissures, small mouth and high arched palate.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSheldon-Hall syndromeDA2B · Distal arthrogryposis multiplex congenita type 2B · Distal arthrogryposis type 2B · Freeman-Sheldon syndrome variant · SSH
frSyndrome de Sheldon-HallArthrogrypose distale type 2B · Arthrogrypose distale type II · Arthrogrypose multiple congénitale type 2B · DA2B · SHS · Syndrome de Freeman-Sheldon variant
deSheldon-Hall-SyndromArthrogrypose, distale, Typ 2B · DA2B · Distale Arthrogryposis multiplex congenita Typ 2B · Freeman-Sheldon-Syndrom (Variante) · SSH
esSíndrome de Sheldon-HallAD2B · Artrogriposis distal tipo 2B · Artrogriposis múltiple congénita distal tipo 2B · Variante del síndrome de Freeman-Sheldon
itSindrome di Sheldon-HallArtrogriposi distale, tipo 2B · Variante della sindrome di Freeman-Sheldon · Artrogriposi distale multipla congenita tipo 2B · SSH · Artrogriposi distale tipo 2B · DA2B
nlSyndroom van Sheldon-HallDA2B · Distale arthrogryposis multiplex congenita type 2B · Distale artrogrypose type 2B · SSH · Variant van syndroom van Freeman-Sheldon
ptSíndrome Sheldon-HallArtrogripose distal múltipla complexa tipo 2B · Artrogripose distal tipo 2B · DA2B · SSH · Síndrome Freeman-Sheldon variante
plZespół Sheldona i HallArtrogrypoza dystalna typu 2B · Wariant zespołu Freemana i Sheldona
csSheldonův-Hallův syndromDistální artrogrypóza, typ IIb · Sheldon-Hallův syndrom
ukСиндром Шелдона-ХоллаДистальний артрогрипоз, тип 2B · Варіант синдрому Фрімана-Шелдона
zhSheldon-Hall综合征Freeman-Sheldon综合征变异型
trSheldon-Hall sendromuDistal artrogripozis tip 2B · Freeman-Sheldon sendromu varyantı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM108120NTBTvalidated
OMIM601680BTNTvalidated
OMIM616266BTNTvalidated
OMIM618435BTNTvalidated
OMIM618436BTNTvalidated
ICD-10Q68.8NTBTattributedvalidated
ICD-11LD26.4YNTBTindexvalidated
MONDO0011128Evalidated
MeSHC538400Evalidated
UMLSC1834523Evalidated

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 (2):

No children.

4

Genes

5 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MYH3Disease-causing germline mutation(s) inAssessedHGNC:7573ENSG0000010906316072017p13.1myosin heavy chain 323401156[PMID]_16642020[PMID]
NALCNDisease-causing germline mutation(s) inAssessedHGNC:19082ENSG0000010245261154913q32.3-q33.1sodium leak channel, non-selective25683120[PMID]
TNNI2Disease-causing germline mutation(s) inAssessedHGNC:11946ENSG0000013059819104311p15.5troponin I2, fast skeletal type23401156[PMID]
TNNT3Disease-causing germline mutation(s) inAssessedHGNC:11950ENSG0000013059560069211p15.5troponin T3, fast skeletal type23401156[PMID]
TPM2Disease-causing germline mutation(s) inAssessedHGNC:12011ENSG000001984671909909p13.3tropomyosin 223401156[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

20 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001181Adducted thumb
HP:0006501Aplasia/Hypoplasia of the radius
HP:0007598Bilateral single transverse palmar creases
HP:0001387Joint stiffness
HP:0002650Scoliosis
HP:0000465Webbed neck
Frequent (79-30%)
HP:0003272Abnormality of the hip bone
HP:0000218High palate
HP:0000347Micrognathia
HP:0000275Narrow face
HP:0010557Overlapping fingers
HP:0000411Protruding ear
HP:0100830Round ear
HP:0000470Short neck
HP:0004322Short stature
HP:0008368Tarsal synostosis
HP:0009465Ulnar deviation of finger
HP:0003049Ulnar deviation of the wrist
HP:0003422Vertebral segmentation defect
HP:0000431Wide nasal bridge

Run the differential on the 6 obligate / very frequent terms

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Sources for this card