Absence of Rejection in a Facial Allograft Recipient with a Positive Flow Crossmatch 24 Months after Induction with Rabbit Anti-Thymocyte Globulin and Anti-CD20 Monoclonal Antibody

Table 3

Risk of rejection based on crossmatch results and presence of donor-specific antibody.

Rejection Risk	CDC XM	FC XM	DSA
High	+	+/−	+/−
High Moderate	−	+	+
Moderate	−	+	−
Low Moderate	−	−	+
Low	−	−	−

CDC XM, complement dependent cytotoxicity crossmatch; FCXM, flow cytometry crossmatch; DSA, donor specific antibody; +, positive/present; −, negative/absent. Presence of DSA defined as mean fluorescence intensity (MFI) > 2000.