raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1780

Thakker-Donnai syndrome

historical

Synonyms: Dysmorphism-multiple structural anomalies syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Antenatal, Neonatal
Status
historical

A rare, genetic, lethal, multiple congenital anomalies/dysmorphic syndrome characterized by facial dysmorphism (including long, downward slanting palpebral fissures, hypertelorism, posteriorly rotated ears, broad nasal bridge, short nose with a bulbous tip and anteverted nares, downturned corners of the mouth) as well as vertebral (occult spina bifida, hemivertebrae), brain (ventricular dilatation, agenesis of corpus callosum), cardiac (tetralogy of Fallot, ventricular septal defect) and gastrointestinal (short esophagus with intrathoracic stomach, small intestine, spleen and pancreas, anal atresia) malformations. There have been no further descriptions in the literature since 1991.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enThakker-Donnai syndromeDysmorphism-multiple structural anomalies syndrome
frSyndrome de Thakker-Donnai
deThakker-Donnai-SyndromDysmorphien-multiple strukturelle Anomalien-Syndrom
esSíndrome de Thakker-DonnaiSíndrome de dismorfia-anomalías estructurales múltiples
itSindrome di Thakker-DonnaiSindrome di Thakker-Donnai
nlSyndroom van Thakker-DonnaiDysmorfie - meervoudige structurele anomalieën-syndroom
ptSíndrome Thakker-DonnaiDismorfias-anomalias múltiplas estruturais
plDysmorfizm- wielorakie wady strukturalneZespół Thakkera i Donnai
csThakkerův-Donnaiové syndromSyndrom zahrnující dysmorfismus a mnohočetné strukturální anomálie · Thakker-Donnaiové syndrom
ukСиндром Таккера-ДоннаїСиндром дисморфізму та множинних структурних аномалій
zhThakker-Donnai综合征畸形-多发性结构畸形综合征
trThakker-Donnai sendromuDismorfizm-çoklu yapısal anomaliler sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM227255Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0009202Evalidated
MeSHC536503Evalidated
UMLSC2931219Evalidated
GARD5158Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated1956065[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_1956065[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.

6

HPO phenotypes

25 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000463Anteverted nares
HP:0000414Bulbous nose
HP:0004602Cervical C2/C3 vertebral fusion
HP:0002714Downturned corners of mouth
HP:0002937Hemivertebrae
HP:0000316Hypertelorism
HP:0001252Hypotonia
HP:0000637Long palpebral fissure
HP:0000160Narrow mouth
HP:0000358Posteriorly rotated ears
HP:0000470Short neck
HP:0000582Upslanted palpebral fissure
HP:0000465Webbed neck
Frequent (79-30%)
HP:0001274Agenesis of corpus callosum
HP:0002023Anal atresia
HP:0001334Communicating hydrocephalus
HP:0000776Congenital diaphragmatic hernia
HP:0000126Hydronephrosis
HP:0001511Intrauterine growth retardation
HP:0000400Macrotia
HP:0000143Rectovaginal fistula
HP:0001636Tetralogy of Fallot
HP:0002575Tracheoesophageal fistula
HP:0001669Transposition of the great arteries
HP:0001629Ventricular septal defect
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Sources for this card