Figure 3From: Rare aggressive natural killer cell leukemia presented with bone marrow fibrosis - a diagnostic challengeMegakaryocytic atypia and anisocytosis. (A) Biopsy section (reticulin stain) showing megakaryocytic atypia with small clusters, (B) CD61 immunostain showing megakaryocytic clustering (10×), (C) CD61 immunostain showing anisocytosis (50×).Back to article page