raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:300865

Primary cutaneous anaplastic large cell lymphoma

Synonyms: Primary C-ALCL · Regressive atypical histiocytosis

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

Primary cutaneous anaplastic large cell lymphoma (C-ALCL) is a rare T-cell non-Hodgkin lymphoma that affects the skin and generally shows no extracutaneous involvement at presentation. It belongs to the spectrum of primary cutaneous CD30+ lymphoproliferative disorders along with lymphomatoid papulosis with which it shares overlapping clinical and histopathologic features.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPrimary cutaneous anaplastic large cell lymphomaPrimary C-ALCL · Regressive atypical histiocytosis
frLymphome cutané primitif anaplasique à grandes cellulesC-ALCL primaire · Histiocytose atypique régressive
dePrimäres kutanes anaplastisches großzelliges LymphomC-ALCL · Primäres C-ALCL · Regressive atypische Histiozytose
esLinfoma cutáneo primario anaplásico de células grandesC-ALCL primario · Histiocitosis atípica regresiva
itLinfoma anaplastico cutaneo primitivo a grandi celluleC-ALCL primitivo · Istiocitosi atipica regressiva
nlPrimair cutaan anaplastisch grootcellig lymfoomPrimair C-ALCL · Regressieve atypische histiocytose
ptLinfoma anaplásico de grandes células, cutâneo primário
plPierwotny skórny chłoniak anaplastyczny z dużych komórekHistiocytoza regresywna atypowa · Primary C-ALCL
csPrimární velkobuněčný anaplastický kožní lymfomPrimární C-ALCL · Regresivní atypická histiocytóza
ukПервинна шкірна анапластична великоклітинна лімфомаПервинний C-ALCL · Регресивний атиповий гістіоцитоз
zh原发皮肤间变性大细胞淋巴瘤隐性遗传非典型性组织细胞增生
trPrimer kutanöz anaplastik büyük hücreli lenfomaPrimer C-ALCL · Gerileyen atipik histiyositoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C86.6NTBTinclusionvalidated
ICD-112B03.0Especificvalidated
MONDO0017598Evalidated
MeSHD054446Evalidated
UMLSC1301362Evalidated
MedDRA10065863Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NPM1Part of a fusion gene inAssessedHGNC:7910ENSG000001811631640405q35.1nucleophosmin 125349176[PMID]
TYK2Part of a fusion gene inAssessedHGNC:12440ENSG0000010539717694119p13.2tyrosine kinase 225349176[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—EuropeClass 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