Figure 1From: Hairy cell leukemia in kidney transplantation: lesson from a rare disorder Bone marrow biopsy. Infiltrate of mature lymphoid cells (hematoxylin & eosin, H/E), which stained for CD20 (B cell marker), DBA44 and V600E BRAF (HCL markers). Histology and immunohistology were performed according to standard diagnostic procedures.Back to article page