Table 3.

Risk factors for PTLD

Risk factors for SOT	Risk factors for HSCT
EBV seromismatch (R−/D+)	HLA mismatch (haploidentical) MMURD > MUD > MRD
Type of SOT	T cell depleted graft/use of antiCD3 antibodies
Intensity and type of immunosuppression	Duration of immunosuppression
Underlying disorders (HCV, Cystic fibrosis, autoimmune hepatitis)	Underlying disorders (PID, advanced Hodgkin’s Lymphoma)

EBV Epstein barr virus, MMUD mismatched unrelated donor, MUD matched unrelated donor, MRD matched related donor, PID primary immunodeficiency disorder