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  Indian J Med Microbiol
 

Figure 1: (a) Bone marrow aspirate (×10) shows infiltration by monomorphic medium-sized lymphoid cells with peripheral blood smear showing atypical lymphoid cells (within inset ×40); (b) bone marrow biopsy shows intrasinusoidal infiltration by these cells (red arrows); (c) immunohistochemistry for CD3 shows CD3 positive lymphoid cell within the sinusoids; (d) immunohistochemistry for CD20 shows these cells are negative

Figure 1: (a) Bone marrow aspirate (×10) shows infiltration by monomorphic medium-sized lymphoid cells with peripheral blood smear showing atypical lymphoid cells (within inset ×40); (b) bone marrow biopsy shows intrasinusoidal infiltration by these cells (red arrows); (c) immunohistochemistry for CD3 shows CD3 positive lymphoid cell within the sinusoids; (d) immunohistochemistry for CD20 shows these cells are negative