Table 3.

Characteristic immunophenotype of extranodal T/NK-cell neoplasms.

Lymphoma TypeT-cell SubsetCD56Cytotoxic ProteinsCD30EBVCell Type
Modified from Kinney MC, 19996; + = 50%-100%; +/- = 25%-49%; -/+ = 5%-24%; - = <5% 
* most cases have a non-activated phenotype (TIA-1+, granzyme B-, perforin-). ** based on nodal cases 
Abbreviations: SCPTCL, subcutaneous panniculitis-like T-cell lymphoma; ALCL, anaplastic large cell lymphoma; NT, not tested 
Hepatosplenic CD4-CD8->CD8+ +* -/+ γδ>>αβ 
SCPTCL CD8+>CD4-CD8->CD4+ -/+ -/+ αβ>γδ 
ALCL, primary cutaneous CD4+>CD4-CD8->CD8+ -/+ +/- -** αβ>γδ 
Nasal/nasal type NK/T-cell CD8+>CD4-CD8- +/- NK>γδ>αβ 
Aggressive NK-cell leukemia CD8+,CD4-CD8- NT -/+ NK,T cell 
Intestinal CD4-CD8->CD8+>CD4+ -/+ +/-  αβ>γδ>>NK 
Blastic NK-cell lymphoma/leukemia CD4 NT NK 
Lymphoma TypeT-cell SubsetCD56Cytotoxic ProteinsCD30EBVCell Type
Modified from Kinney MC, 19996; + = 50%-100%; +/- = 25%-49%; -/+ = 5%-24%; - = <5% 
* most cases have a non-activated phenotype (TIA-1+, granzyme B-, perforin-). ** based on nodal cases 
Abbreviations: SCPTCL, subcutaneous panniculitis-like T-cell lymphoma; ALCL, anaplastic large cell lymphoma; NT, not tested 
Hepatosplenic CD4-CD8->CD8+ +* -/+ γδ>>αβ 
SCPTCL CD8+>CD4-CD8->CD4+ -/+ -/+ αβ>γδ 
ALCL, primary cutaneous CD4+>CD4-CD8->CD8+ -/+ +/- -** αβ>γδ 
Nasal/nasal type NK/T-cell CD8+>CD4-CD8- +/- NK>γδ>αβ 
Aggressive NK-cell leukemia CD8+,CD4-CD8- NT -/+ NK,T cell 
Intestinal CD4-CD8->CD8+>CD4+ -/+ +/-  αβ>γδ>>NK 
Blastic NK-cell lymphoma/leukemia CD4 NT NK 
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