raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2246

Cerebellar hypoplasia-tapetoretinal degeneration syndrome

Type
Malformation syndrome
Group
Disorder
Age of onset
Infancy
Status
active

Cerebellar hypoplasia-tapetoretinal degeneration syndrome is a rare syndrome with a cerebellar malformation as a major feature characterized by cerebellar hypoplasia, bilateral retinal pigmentary changes, intellectual disability that can range from mild to moderate and pronounced language development delay. It presents with early developmental delay, central and peripheral non-progressive visual impairment or asymptomatic retinal changes, hypotonia, non-progressive ataxia and nystagmus.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCerebellar hypoplasia-tapetoretinal degeneration syndrome
frSyndrome d'hypoplasie cérébelleuse-dégénérescence tapéto-rétinienne
deZerebelläre Hypoplasie-tapetoretinale Degeneration-Syndrom
esSíndrome de hipoplasia cerebelosa-degeneración tapetoretiniana
itSindrome da ipoplasia cerebellare e degenerazione tapeto-retinica
nlCerebellaire hypoplasie - tapetoretinale degeneratie-syndroom
ptSíndrome de hipoplasia cerebelosa-degenerescência tapetorretiniana
plHipolplazja móżdżku - zwyrodnienie tapetoretinalne (naczyniowo-siatkówkowe)
csSyndrom zahrnující hypoplázii mozečku a tapetoretinální degeneraci
ukСиндром гіпоплазії мозочка-тапеторетинальної дегенерації
zh小脑发育不良-毯层视网膜变性综合征
trSerebellar hipoplazi-tapetoretinal dejenerasyon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM213000NTBTvalidated
ICD-10Q04.3NTBTattributedvalidated
ICD-11LD20.0YNTBTindexvalidated
MONDO0016392Evalidated
UMLSC4275139Evalidated
GARD1196Evalidated

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/families3 casesWorldwideCase(s)Validated1622524[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_1622524[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

9 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000512Abnormal electroretinogram
HP:0007703Abnormality of retinal pigmentation
HP:0001251Ataxia
HP:0001321Cerebellar hypoplasia
HP:0100543Cognitive impairment
HP:0001252Hypotonia
HP:0000639Nystagmus
HP:0000648Optic atrophy
HP:0000505Visual impairment

Run the differential on the 9 obligate / very frequent terms

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Sources for this card