raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1970

Facial dysmorphism-macrocephaly-myopia-Dandy-Walker malformation syndrome

historical

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

A rare multiple congenital anomalies/dysmorphic syndrome characterized by severe intellectual deficit, Dandy-Walker malformation, macrocephaly, severe myopia, brachytelephalangy with short and broad fingernails, and dysmorphic facial features (such as thick eyebrows, synophrys, epicanthal folds, low-set ears, short philtrum, and high-arched palate). Additional reported manifestations include seizures and skeletal and genital anomalies, among others. There have been no further descriptions in the literature since 1989.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFacial dysmorphism-macrocephaly-myopia-Dandy-Walker malformation syndrome
frSyndrome de dysmorphie-macrocéphalie-myopie-malformation de Dandy-Walker
deGesichtsdysmorphie-Makrozephalie-Myopie-Dandy-Walker-Fehlbildung-Syndrom
esSíndrome de dismorfia facial-macrocefalia-miopía-malformación de Dandy-Walker
itSindrome da dismorfismo facciale-macrocefalia-miopia-malformazione di Dandy Walker
nlFaciale dysmorfie - macrocefalie - myopie - Dandy-Walker malformatie-syndroom
ptSíndrome de dismorfia facial-macrocefalia-miopia-malformação de Dandy-Walker
plDysmorfia twarzy - makrocefalia - miopia - malformacja Dandy'ego-Walkera
csSyndrom zahrnující faciální dysmorfismus, makrocefalii, myopii a Dandyho-Walkerovu malformaciSyndrom zahrnující faciální dysmorfismus, makrocefalii, myopii a Dandy-Walkerovu malformaci
ukСиндром дисморфізму обличчя-макроцефалії-міопії-мальформації Денді-Уокера
zh面部畸形-大头-近视-Dandy-Walker畸形综合征
trYüz dismorfizmi-makrosefali-miyopi-Dandy-Walker malformasyon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM220219Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0009074Evalidated
UMLSC4518773Evalidated

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 (4):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families3 casesWorldwideCase(s)Validated2591071[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_2591071[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

29 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0011039Abnormal helix morphology
HP:0000174Abnormal palate morphology
HP:0000164Abnormality of the dentition
HP:0000337Broad forehead
HP:0001821Broad nail
HP:0000280Coarse facial features
HP:0001305Dandy-Walker malformation
HP:0000286Epicanthus
HP:0001099Fundus atrophy
HP:0004374Hemiplegia/hemiparesis
HP:0000348High forehead
HP:0001007Hirsutism
HP:0006887Intellectual disability, progressive
HP:0010864Intellectual disability, severe
HP:0000256Macrocephaly
HP:0000545Myopia
HP:0000639Nystagmus
HP:0000648Optic atrophy
HP:0000358Posteriorly rotated ears
HP:0002650Scoliosis
HP:0009882Short distal phalanx of finger
HP:0000664Synophrys
HP:0000574Thick eyebrow
HP:0000431Wide nasal bridge
Frequent (79-30%)
HP:0001276Hypertonia
HP:0001250Seizure
Occasional (29-5%)
HP:0000028Cryptorchidism
HP:0001252Hypotonia
HP:0000046Small scrotum
7

Sources for this card