raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:168960

Refractory anemia with excess blasts in transformation

Synonyms: RAEB-t

Type
Disease
Group
Disorder
Age of onset
Adolescent, Adult, Elderly
Status
active

A rare hematologic disease characterized by the presence of 20-29% blasts in the bone marrow, presence of 5-29% blasts in the peripheral blood, and/or presence of Auer rods. Patients show relatively stable peripheral blood counts for weeks or months, with specific cytogenetic and molecular genetic characteristics constituting important prognostic factors.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRefractory anemia with excess blasts in transformationRAEB-t
frAnémie réfractaire avec excès de blastes en transformation= en
deRefraktäre Anämie mit Vermehrung von Blasten in Transformation= en
esAnemia refractaria con exceso de blastos en transformaciónAREB-t
itAnemia refrattaria con eccesso di blasti in trasformazione= en
nlRefractaire anemie met exces aan blasten in transformatie= en
ptAnemia refratária com excesso de blastos em transformação
plNiedokrwistość oporna na leczenie z transformacją białaczkową= en
csRefrakterní anémie s nadbytkem blastůRAEB-T
ukРефрактерна анемія з надлишком бластів у стадії трансформації= en
zh未成熟细胞过多的难治性贫血= en
trTransformasyonda artmış blast içeren refrakter anemi= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D46.2NTBTinclusionvalidated
ICD-112A34NTBTindexvalidated
MONDO0015692Evalidated
UMLSC0280028Evalidated
MedDRA10038271Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Annual incidence<1 / 1 000 0000.04 / 100 000EuropeValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]

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