Table 1

Expression of cytotoxic proteins and EBV status of neoplastic cells in nodal and extranodal lymphomas

*Only two cases tested.
ALCL, anaplastic large cell lymphoma; EBV, Epstein-Barr virus; GrB, granzyme B; LTCL, large T cell lymphoma; NK, natural killer; NOS, not otherwise specified.
True NK cell lymphomas
Intestinal lymphoma, nasal type11/10/10/10/10/11/1
T cell lymphomas with a cytotoxic phenotype
Enteropathy-type T cell lymphoma55/50/2*5/50/53/50/5
Nodal CD30+ ALCL55/50/55/55/50/50/5
CD30+ cutaneous LTCL53/50/55/55/50/50/5
Lymphomatoid papulosis88/80/88/88/80/80/8
Mycosis fungoides66/60/66/65/61/60/6
T cell lymphomas without a cytotoxic phenotype
Mycosis fungoides120/120/1212/1212/120/120/12
CD30 cutaneous LTCL20/20/22/22/20/20/2
Nodal T cell lymphoma NOS50/50/55/55/50/50/5