Case Report

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 2

Timeline and findings of skin biopsies performed after facial allotransplantation.

Post-operative day (POD)Histopathological FindingsBanff GradeClinical Presentation

POD 3Sparse perivascular mononuclear cell infiltrate; no rejection0Planned biopsy; no clinical signs or symptoms.

POD 95Superficial perivascular lymphocytic infiltrate; no rejection0Mild facial swelling and erythema resolved after administration of diphenhydramine; presumed allergic response.

POD 171Sparse perivascular lymphocytic infiltrate with rare eosinophils; no rejection0Planned biopsy prior to outpatient surgery; no clinical signs or symptoms.

POD 410Sparse superficial perivascular dermatitis with eosinophils; “early rejection cannot be excluded” but likely drug eruption0-1