raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:178522

Primary cutaneous CD4+ small/medium-sized pleomorphic T-cell lymphoma

Type
Disease
Group
Disorder
Status
active

A rare, primary cutaneous T-cell lymphoma characterized by solitary cutaneous nodule or only regional disease, typically occurring on the head and neck, and involving entire dermis. Sometimes, subcutis and adnexal structures are involved, as well. The infiltrate is nodular or diffuse, composed of small to medium sized pleomorphic lymphocytes and showing mild to moderate cytologic atypia. Neoplastic T-cells are mixed with B-cells, histiocytes, plasma cells and eosinophils.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPrimary cutaneous CD4+ small/medium-sized pleomorphic T-cell lymphoma
frLymphome T cutané à cellules pléomorphes de taille petite à moyenne CD4+
deT-Zell-Lymphom, primär kutanes, klein/mittelgroßzelliges pleomorphes, CD4-+
esLinfoma cutáneo primario pleomórfico de células T CD4+ pleomórficas de pequeño y mediano tamaño
itLinfoma cutaneo pleomorfo primitivo a cellule T CD4+ di piccole-medie dimensioni
nlPrimair cutaan CD4+ klein/middelgroot pleomorf T-cellymfoomPrimair cutaan CD4+ klein/middelgroot pleiomorf T-cellymfoom
ptLinfoma primário cutâneo de células T CD4+ pleomórficas e de pequeno/médio tamanho
plPierwotny chłoniak skóry z małych/średnich pleomorficznych komórek T CD4+
csPrimární kožní lymfom s CD4+ malými/středně velkými pleomorfními T-buňkami
ukПервинна шкірна CD4+ плеоморфних Т-клітин малих/середніх розмірів лімфома
zh原发性皮肤CD4+多形性小/中T细胞淋巴瘤
trPrimer kutanöz CD4 + küçük / orta boy pleomorfik T hücreli lenfoma

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C84.4NTBTattributedvalidated
ICD-112B0YNTBTindexvalidated
ICD-11XH7EL2NTBTattributedvalidated
MONDO0015810Evalidated
UMLSC5680503Evalidated

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

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