raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:369861

Congenital sideroblastic anemia-B-cell immunodeficiency-periodic fever-developmental delay syndrome

Synonyms: SIFD syndrome

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

A form of constitutional sideroblastic anemia characterized by severe microcytic anemia, B-cell lymphopenia , panhypogammaglobulinemia and variable neurodegeneration. The disease presents in infancy with recurrent febrile illnesses, gastrointestinal disturbances, developmental delay, seizures, ataxia and sensorineural deafness.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCongenital sideroblastic anemia-B-cell immunodeficiency-periodic fever-developmental delay syndromeSIFD syndrome
frSyndrome d'anémie sidéroblastique congénitale-déficit immunitaire en cellules B-fièvre périodique-retard de développementSyndrome SIFD · Syndrome d'anémie sidéroblastique congénitale-immunodéficience à cellules B-fièvre périodique-retard de développement
deKongenitale sideroblastische Anämie-B-Zell-Immundefekt-periodisches Fieber-Entwicklungsverzögerung-SyndromSFID-Syndrom
esSíndrome de anemia sideroblástica congénita-inmunodeficiencia de células B-fiebre periódica-retraso del desarrolloSíndrome SFID
itSindrome anemia sideroblastica congenita-immunodeficienza dei linfociti B-febbre periodica-ritardo dello sviluppoSindrome SFID
nlCongenitale sideroblastische anemie - B-cel-immuundeficiëntie - periodieke koorts - ontwikkelingsachterstand-syndroomSFID-syndroom
ptSíndrome de anemia sideroblástica congénita-imunodeficiência de células B-febre periódica-atraso de desenvolvimento
plZespół wrodzonej niedokrwistości syderoblastycznej, niedoboru odporności B-komórkowej, gorączki okresowej i opóźnienia w rozwojuZespół SIFD
csSyndrom zahrnující vrozenou sideroblastickou anémii, B-buněčnou imunodeficienci, periodickou horečku a opoždění vývojeSIFD syndrom
ukСиндром вродженої сидеробластної анемії-В-клітинного імунодефіциту-періодичної лихоманки-затримки розвиткуСиндром SIFD
zh先天性铁粒幼细胞性贫血-B细胞免疫缺陷-周期性发热-发育迟缓综合征SIFD综合征
trDoğumsal sideroblastik anemi-B-hücresi immün yetmezlik-periyodik ateş-gelişme geriliği sendromuSIFD sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616084Evalidated
ICD-10D64.0NTBTattributedvalidated
ICD-113A72.01NTBTattributedvalidated
MONDO0014487Evalidated
UMLSC4707403Evalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TRNT1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:17341ENSG000000727566129073p26.2tRNA nucleotidyl transferase 125193871[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families16 casesWorldwideCase(s)Validated25193871[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25193871[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

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

7

Sources for this card