Hemophagocytic lymphohistiocytosis secondary to composite lymphoma: Two case reports

Figure 1 Morphology of bone marrow aspirate smear and biopsy in Case 1. A and B: Hemophagocytosis (A) and tumor cells (B) (Wright’s stain, × 1000); C: Diffuse small to medium-sized lymphocytes admixed scattered large atypical cells (hematoxylin-eosin stain, × 400); D and E: The tumor cells were positive for CD3 (D) and PAX-5 (E) (immunohistochemistry, IHC × 400); F: Lymph node biopsy sections showed a marked nodular aggregate of medium-sized lymphocytes with scattered large lymphocytes (hematoxylin-eosin stain, × 400); G and H: The tumor cells in lymph nodes were positive for CD3 (G) and CD20 (H) (IHC × 400).