raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:190

Coats disease

Synonyms: Congenital retinal telangiectasia · Leber miliary aneurysm

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Childhood
Status
active

Coats disease (CD) is an idiopathic disorder characterized by retinal telangiectasia with deposition of intraretinal or subretinal exudates, potentially leading to retinal detachment and unilateral blindness. CD is classically an isolated and unilateral condition affecting otherwise healthy young children.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCoats diseaseCongenital retinal telangiectasia · Leber miliary aneurysm
frMaladie de CoatsAnévrisme miliaire de Leber · Télangiectasie rétinienne congénitale
deCoats-KrankheitCoats-Retinopathie · Teleangiektasien der Retina, kongenitale
esEnfermedad de Coats
itMalattia di CoatsAneurisma miliare di Leber · Telangectasia retinica congenita
nlZiekte van CoatsCongenitale retinale teleangiëctasie · Miliair aneurysma van Leber
ptDoença CoatsAneurisma miliar de Leber · Telangiectasia retiniana congénita
plChoroba CoatsaTętniak prosówkowaty Lebera · Wrodzona telangiektazja siatkówki
csCoatsova nemocVrozená retinální teleangiektázie · Leberovo miliární aneuryzma
ukХвороба КоатсаВроджена телеангіектазія сітківки · Міліарна аневризма Лебера
zhCoats病先天性视网膜毛细血管扩张
trCoats hastalığıLeber milier anevrizma · Doğumsal retinal telenjiektazi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300216Evalidated
ICD-10H35.0NTBTinclusionvalidated
ICD-11LD21.YNTBTindexvalidated
MONDO0010269Evalidated
MeSHD058456Evalidated
UMLSC0154832Evalidated
GARD6121Evalidated
MedDRA10015901Evalidated

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 (8):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NDPCandidate gene tested inNot yet assessedHGNC:7678ENSG00000124479300658Xp11.3norrin cystine knot growth factor NDP20301506[PMID]_10484772[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Annual incidence<1 / 1 000 0000.09 / 100 000United KingdomValue and classValidated20865031[PMID]_[EXPERT]
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

8 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0008046Abnormal retinal vascular morphology
HP:0000486Strabismus
Frequent (79-30%)
HP:0001103Abnormal macular morphology
HP:0000501Glaucoma
HP:0000541Retinal detachment
Occasional (29-5%)
HP:0000593Abnormal anterior chamber morphology
HP:0008053Aplasia/Hypoplasia of the iris
HP:0000518Cataract

Run the differential on the 2 obligate / very frequent terms

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Sources for this card