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  Indian J Med Microbiol
 

Figure 4: Aspirate from left cervical lymph node in mild exacerbation, showing numerous histiocytes with large nuclei. Emperipolesis is infrequent, but definite. Inset: Immunocytochemistry for CD68 is negative in the large RDD histiocytes with emperipolesis (arrow) but positive in scattered mononuclear cells in the background (Papanicolaou, 3400, Inset: CD68 immunocytochemistry, 3100)

Figure 4: Aspirate from left cervical lymph node in mild exacerbation, showing numerous histiocytes with large nuclei. Emperipolesis is infrequent, but definite. Inset: Immunocytochemistry for CD68 is negative in the large RDD histiocytes with emperipolesis (arrow) but positive in scattered mononuclear cells in the background (Papanicolaou, 3400, Inset: CD68 immunocytochemistry, 3100)