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  Indian J Med Microbiol
 

Figure 2: Bone marrow aspirate smears (case 1) (a) showing immature myeloma cells (plasmablasts) with polylobated nuclei and conspicuous nucleoli (Wright Giemsa, ×400), which on trephine biopsy, showed diffuse sheets of myeloma cells with intense cytoplasmic positivity for kappa (b), and negativity for lambda (c) monoclonal antibody (Peroxidase‑anti‑peroxidase method, ×400)

Figure 2: Bone marrow aspirate smears (case 1) (a) showing immature myeloma cells (plasmablasts) with polylobated nuclei and conspicuous nucleoli (Wright Giemsa, ×400), which on trephine biopsy, showed diffuse sheets of myeloma cells with intense cytoplasmic positivity for kappa (b), and negativity for lambda (c) monoclonal antibody (Peroxidase‑anti‑peroxidase method, ×400)