Table 1.

EBV-associated T and NK- cell lymphoproliferative diseases.

Disease entities
EBV-positive hemophagocytic lymphohistocytosis
Chronic active EBV infection of T- and NK-cell type
Systemic form
Cutaneous form
Hydroa vacciniforme-like lymphoproliferative disease
Severe mosquito bite allergy
Systemic EBV-positive T-cell lymphoma of childhood
Aggressive NK-cell leukemia
Extranodal NK/T-cell lymphoma, nasal type
Primary EBV-positive nodal T and NK-cell lymphoma*

^*Considered a provisional entity within peripheral T-cell lymphoma, not otherwise specified.