raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:391348

Growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

A rare, genetic, mitochondrial oxidative phosphorylation disorder characterized by intrauterine growth retardation, microcephaly, hypotonia, vision impairment, speech and language delay and lactic acidosis with reduced respiratory chain activity (typically complex I). Additonal features may include macrocytic anemia, tremor, muscular atrophy, dysmetria and mild intellectual disability.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGrowth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome
frSyndrome de retard de croissance et de développement-hypotonie-troubles visuels-acidose lactique
deWachstums- und Entwicklungsverzögerung-Hypotonie-Sehbeeinträchtigung-Laktatazidose-Syndrom
esSíndrome de retraso del crecimiento y el desarrollo-hipotonía-trastorno ocular-acidosis láctica
itSindrome da ritardo della crescita e dello sviluppo, ipotonia, compromissione della vista, acidosi lattica
nlGroei- en ontwikkelingsachterstand - hypotonie - visuele beperking - lactaatacidose-syndroom
ptSíndrome de perturbação do desenvolvimento e atraso de crescimento-hipotonia-incapacidade visual-acidose láctica
plZespół opóźnienie wzrostu i rozwoju-hipotonia-upośledzenie wzroku-kwasica mleczanowa
csSyndrom zahrnující opoždění růstu a vývoje, hypotonii, poruchu zraku a laktátovou acidózu
ukСиндром затримки росту і розвитку-гіпотонії-порушення зору- молочнокислого ацидозу
zh生长发育迟缓-低张力-视力损害-乳酸酸中毒综合征
trBüyüme ve gelişme geriliği-hipotoni-görme bozukluğu-laktik asidoz sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM615578Evalidated
ICD-10E88.8NTBTattributedvalidated
ICD-115C53.2YNTBTattributedvalidated
MONDO0014261Evalidated
UMLSC4751596Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SFXN4Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:16088ENSG0000018360561556410q26.11sideroflexin 424119684[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated24119684[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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

Orphanet has no HPO annotation for this code in this release.

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Sources for this card