raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:833

Encephalopathy due to sulfite oxidase deficiency

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

Encephalopathy due to sulfite oxidase deficiency is a rare neurometabolic disorder characterized by seizures, progressive encephalopathy and lens dislocation.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enEncephalopathy due to sulfite oxidase deficiency
frEncéphalopathie par déficit en sulfite oxydase
deEnzephalopathie durch Sulfitoxidase-Mangel
esEncefalopatía por deficiencia de sulfito oxidasa
itEncefalopatia da deficit di solfito ossidasi
nlEncefalopathie door sulfietoxidasedeficiëntie
ptEncefalopatia devido à deficiência de sulfito oxidase
plEncefalopatia spowodowana niedoborem oksydazy siarczynowej
csEncefalopatie způsobená deficitem sulfitoxidázy
ukЕнцефалопатія, зумовлена дефіцитом сульфітоксидази
zh亚硫酸盐氧化酶缺乏所致脑病
trSülfit oksidaz eksikliğine bağlı ensefalopati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM252150BTNTvalidated
OMIM252160BTNTvalidated
OMIM272300BTNTvalidated
OMIM615501BTNTvalidated
ICD-10E72.1NTBTinclusionvalidated
ICD-115C50.BNTBTindexvalidated
MONDO0019358Evalidated
UMLSC4275019Evalidated

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 (7):

Children (2):

4

Genes

0 direct · 1 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SUOXORPHA:99731Isolated sulfite oxidase deficiencyDisease-causing germline mutation(s) inAssessedHGNC:11460ENSG0000013953160688712q13.2sulfite oxidase
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families100 casesWorldwideCase(s)Validated[EXPERT]
Point prevalenceUnknown—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

21 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002793Abnormal pattern of respiration
HP:0100022Abnormality of movement
HP:0003355Aminoaciduria
HP:0001251Ataxia
HP:0000490Deeply set eye
HP:0002376Developmental regression
HP:0001083Ectopia lentis
HP:0008872Feeding difficulties in infancy
HP:0000293Full cheeks
HP:0004374Hemiplegia/hemiparesis
HP:0010864Intellectual disability, severe
HP:0000343Long philtrum
HP:0000545Myopia
HP:0002017Nausea and vomiting
HP:0011220Prominent forehead
HP:0001250Seizure
HP:0003196Short nose
HP:0001285Spastic tetraparesis
HP:0001257Spasticity
HP:0012471Thick vermilion border
Frequent (79-30%)
HP:0000252Microcephaly

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card