Donor-Derived Myeloid Sarcoma in Two Kidney Transplant Recipients from a Single Donor

Figure 2

Recipient 2, kidney biopsy: A diffuse proliferation of immature myeloid cells is seen dissecting between renal tubules. Immunohistochemical analysis for blasts (CD117 and CD34) and myeloid lineage (MPO, myeloperoxidase) were strongly positive.