Table 1.
Classification of EBV-positive T-cell and NK-cell proliferations.
| Diagnosis | Usual Patient Age Group(s) | |
|---|---|---|
| EBV-positive haemophagocytic lymphohistiocytosis (benign, may be self-limited) | Paediatric, adolescent | |
| EBV-positive - T- or NK-cell lymphoproliferative diseases | ||
| Systemic CAEBV | Paediatric, adolescent | |
| Cutaneous CAEBV, hydroa vaccinifo⸢me—likelymphop⸢oliferativediso⸢der | Paediatric, adolescent | |
| Cutaneous CAEBV, severe mosquito bite allergy | Paediatric, adolescent | |
| Systemic EBV-positive T-cell lymphoma | Paediatric, adolescent | |
| Aggressive NK-cell leukaemia | Adult | |
| Extranodal NK/T-cell lymphoma, nasal type | Adult | |
| Nodal peripheral T-cell lymphoma, EBV-positive * | Adult | |
* Included within the category of peripheral T-cell lymphoma, NOS [3].