Table 2.

Prior immunosuppressive therapy and EBV/CMV status of 10 patients with Primary CNS Post-Transplant Lymphoproliferative Disorder.

	N
Prior rejection episodes of organ allograft	9 (90%)
Steroid-refractory	2 (20%)
Prior exposure to immunosuppressive agents for treatment of organ rejection:
OKT3	0
ATG	4†
Immunosuppressive agents at time of PTLD diagnosis:
Cyclosporine	2
Tacrolimus	3
Mycophenolate	10
Prednisone	10

^†One patient had received ATG prophylactically as pre-transplant conditioning regimen.

Abbreviations: OKT3 = murine monoclonal antibody targeting CD3. ATG = anti-thymocyte globulin.