raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79476

Griscelli syndrome type 1

Synonyms: Griscelli-Pruniéras syndrome type 1 · Hypopigmentation-neurologic impairment syndrome

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy
Status
active

This disease is described under Griscelli syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGriscelli syndrome type 1Griscelli-Pruniéras syndrome type 1 · Hypopigmentation-neurologic impairment syndrome
frSyndrome de Griscelli type 1Syndrome d'hypopigmentation-troubles neurologiques · Syndrome de Griscelli-Pruniéras type 1
deGriscelli-Syndrom Typ 1Griscelli-Pruniéras-Syndrom Typ 1 · Hypopigmentation - Neurologische Schädigung
esSíndrome de Griscelli tipo 1Síndrome de Griscelli-Pruniéras tipo 1 · Síndrome de hipopigmentación-deterioro neurológico
itMalattia di Griscelli, tipo 1Ipopigmentazione - danno neurologico · Sindrome di Griscelli-Pruniéras, tipo 1
nlSyndroom van Griscelli type 1Hypopigmentatie - neurologische aftakeling-syndroom · Syndroom van Griscelli-Pruniéras type 1
ptSíndrome de Griscelli tipo 1 (hipopigmentação - défice neurológico)
plChoroba Griscelliego typu 1Hipopigmentacja - upośledzenie neurologiczne · Zespół Griscelliego i Pruniérasa typu 1
csGriscelliho nemoc, typ 1Syndrom zahrnující hypopigmentaci a neurologické postižení · Griscelliho-Pruniérasův syndrom, typ 1 · Griscelli-Pruniérasův syndrom, typ 1
ukСиндром Гріселлі, тип 1Синдром Гріселлі-Пруньєраса, тип 1 · Синдром гіпопігментації з неврологічними порушеннями
zh格里塞利综合征1型色素减退-神经损伤综合征
trGriscelli sendromu tip 1Griscelli-Pruniéras sendromu tip 1 · Hipopigmentasyon-nörolojik bozukluk sendromu
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM214450Evalidated
ICD-10E70.3NTBTattributedvalidated
ICD-11EC23.2YNTBTindexvalidated
MONDO0008962Evalidated
MeSHC537301Evalidated
UMLSC1859194Evalidated
GARD2566Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MYO5ADisease-causing germline mutation(s) inAssessedHGNC:7602ENSG0000019753516077715q21.2myosin VA
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families20 casesWorldwideCase(s)Validated22711375[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_22711375[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

16 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0100022Abnormality of movement
HP:0001251Ataxia
HP:0000651Diplopia
HP:0001290Generalized hypotonia
HP:0001276Hypertonia
HP:0007730Iris hypopigmentation
HP:0000639Nystagmus
HP:0007443Partial albinism
HP:0002216Premature graying of hair
HP:0000488Retinopathy
HP:0001250Seizure
HP:0011364White hair
Frequent (79-30%)
HP:0001263Global developmental delay
HP:0003077Hyperlipidemia
HP:0001249Intellectual disability
Occasional (29-5%)
HP:0002514Cerebral calcification

Run the differential on the 12 obligate / very frequent terms

Annotation source: 22711375[PMID]

7

Sources for this card