raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:512017

Chronic lymphoproliferative disorder of natural killer cells

Synonyms: CLPD-NK · CNKL · Chronic NK lymphocytosis · Chronic NK-cell lymphocytosis · Chronic lymphoproliferative disorder of NK-cells · NK-cell lineage granular lymphocyte proliferative disorder

Type
Disease
Group
Disorder
Inheritance
Unknown
Status
active

A rare large granular lymphocyte leukemia characterized by persistent (> 6 months) natural killer cell lymphocytosis in the absence of clinical diagnosis of leukemia/lymphoma, autoimmune disease, or chronic viral infections. The clinical course is variable, but generally indolent. Patients often remain asymptomatic, or may present with clinical manifestations including vasculitic skin lesions, neutropenic infections, musculoskeletal symptoms, peripheral neuropathy, or splenomegaly.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enChronic lymphoproliferative disorder of natural killer cellsCLPD-NK · CNKL · Chronic NK lymphocytosis · Chronic NK-cell lymphocytosis · Chronic lymphoproliferative disorder of NK-cells · NK-cell lineage granular lymphocyte proliferative disorder
frLeucémie chronique à grands lymphocytes granuleux à cellules NKLeucémie chronique à GLG-NK · Leucémie chronique à LGL-NK · Leucémie lymphoïde à grands lymphocytes granuleux de type NK · Lymphocytose GLG à cellules NK · Lymphocytose LGL à cellules NK · Syndrome lymphoprolifératif chronique à cellules NK
deChronische lymphoproliferative Krankheit der natürlichen Killer-ZellenCLPD-NK · Chronische NK-Zellen-Lymphozytose · Chronische lymphoproliferative Krankheit der NK-Zellen · Proliferative Krankheit granulärer Lymphozyten der NK-Zelllinie
esTrastorno linfoproliferativo crónico de células natural killerCLPD-NK · CNKL · Linfocitosis crónica NK · Linfocitosis crónica de células NK · Trastorno linfoproliferativo crónico de células NK · Trastorno proliferativo de linfocitos granulares de línea de células NK
itMalattia linfoproliferativa cronica delle cellule natural killerCLPD-NK · CNKL · Disordine linfoproliferativo cronico delle cellule NK · Disordine proliferativo dei linfociti granulari della linea delle cellule NK · Linfocitosi cronica delle cellule NK · NK linfocitosi cronica
nlChronische lymfoproliferatieve stoornis van natuurlijke killercellenCLPD-NK · CNKL · Chronische NK-cellymfocytose · Chronische NK-lymfocytose · Chronische lymfoproliferatieve aandoening van NK-cellen · Proliferatieve aandoening van granulaire lymfocyten van NK-cellijn
ptDoença linfoproliferativa crónica das célualas NK
plPrzewlekła choroba limfoproliferacyjna z limfocytów typu "naturalni zabójcyCNKL · CLPD-NK · Przewlekła limfocytoza NK · Przewlekła limfocytoza z komórek NK · Przewlekła choroba limfoproliferacyjna z komórek NK · Choroba proliferacyjna limfocytów ziarnistych z linii NK
csChronická proliferativní porucha granulárních lymfocytů z NK buněčné linieCNKL · CLPD-NK · Chronická lymfocytóza NK buněk · Chronická lymfoproliferativní porucha NK buněk · Proliferativní porucha granulárních lymfocytů z NK buněčné linie
ukХронічне лімфопроліферативне захворювання природних кілерівХронічне лімфопроліферативне захворювання NK-клітин · Хронічний NK-лімфоцитоз · Хронічний NK-клітинний лімфоцитоз · CLPD-NK · CNKL · Порушення проліферації гранулярних лімфоцитів NK-клітинної лінії
zh慢性自然杀伤细胞性淋巴增殖障碍自然杀伤细胞谱系性颗粒淋巴增殖障碍
trDoğal öldürücü hücrelerin kronik lenfoproliferatif bozukluğuCNKL · CLPD-NK · Kronik NK lenfositoz · Kronik NK hücreli lenfositoz · NK hücrelerinin kronik lenfoproliferatif bozukluğu · NK hücre soyu granüler lenfosit proliferatif bozukluğu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C91.7NTBTattributedvalidated
ICD-112A90.2Especificvalidated
MONDO0004234Evalidated
UMLSC1512709Evalidated

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

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

0 records

No prevalence record in this release.

6

HPO phenotypes

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

7

Sources for this card