Disseminated Mycobacterium tuberculosis: An Unusual Presentation with Associated Hemophagocytic Lymphohistiocytosis

Figure 2

40x magnification. (a) Bone marrow aspirate smear showing histiocyte with hemophagocytosis. (b) Bone marrow biopsy H&E stain showing foci of necrosis by normal bone marrow. (c) CD163 stain showing histiocyte engulfing other hematopoietic cell (rosette appearance). (d) FITE stain showing acid-fast bacilli.