raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:86872

T-cell large granular lymphocyte leukemia

Synonyms: Proliferation of large granular lymphocytes · T-LGL · T-cell LGL leukemia

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Adult
Status
active

T-cell large granular lymphocyte leukemia (T-cell LGL leukemia) is a lymphoproliferative malignancy that arises from the mature T-cell (CD3+) lineage.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enT-cell large granular lymphocyte leukemiaProliferation of large granular lymphocytes · T-LGL · T-cell LGL leukemia
frLeucémie à grands lymphocytes granuleux TLeucémie à GLG T · Leucémie à LGL T · Prolifération de grands lymphocytes granuleux · T-GLG · T-LGL
deT-Zell-Leukämie mit großen granulären LymphozytenT-LGL · T-LGL-Leukämie · T-Zell-LGL-Leukämie
esLeucemia linfocítica granular de células T grandesLeucemia LGL de células T · Proliferación de linfocitos granulares grandes · T-LGL
itLeucemia a grandi linfocitici granulari TLeucemia LGL a cellule T · Leucemia linfocitica cronica a cellule T · Proliferazione dei grandi linfociti granulari · T-LGL
nlT-celleukemie met grote granulaire lymfocytenProliferatie van grote granulaire lymfocyten · T-LGL · T-cel LGL leukemie
ptLeucemia linfocítica granular grande de células T
plBiałaczka z dużych ziarnistych limfocytów TProliferacja dużych ziarnistych limfocytów · T-cell LGL białaczka · T-LGL
csT-velkobuněčná granulární lymfocytární leukémieT-LGL · Proliferace velkých granulárních lymfocytů · T-buněčná LGL leukémie
ukТ-клітинна велика гранулярна лімфоцитарна лейкеміяПроліферація великих гранулярних лімфоцитів · Т-клітинна лейкемія LGL · T-LGL
zhT细胞大颗粒淋巴细胞性白血病大颗粒淋巴细胞增生
trT-hücreli büyük granüler lenfosit lösemiT-LGL · T hücreli LGL lösemi · Büyük granüler lenfositlerin çoğalması

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C91.7NTBTinclusionvalidated
ICD-112A90.1Especificvalidated
MONDO0019469Evalidated
UMLSC1955861Evalidated
GARD9812Evalidated
MedDRA10065862Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
STAT3Disease-causing somatic mutation(s) inAssessedHGNC:11364ENSG0000016861010258217q21.2signal transducer and activator of transcription 329385279[PMID]_26980727[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 1 000 0000.4 / 100 000EuropeValue and classValidated[EXPERT]
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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