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  Indian J Med Microbiol
 

Figure 2: A case categorized as “atypical cells, not otherwise specified.” (a) Cytosmear showing singly scattered cells with enlarged hyperchromatic nuclei among reactive mesothelial cells and lymphocytes. The patient had chronic liver disease. (b) Section of the cell block of this case showing moderate cellularity with clusters of cells with morphology of reactive mesothelial cells. Background shows many inflammatory cells and blood. No atypical cells could be found in these sections (H & E, 400×). (c–e) The cell clusters show strong positivity for calretinin and WT1, whereas they are negative for CD15. The inflammatory cells in the background show positivity for CD15. H & E = hematoxylin and eosin

Figure 2: A case categorized as “atypical cells, not otherwise specified.” (a) Cytosmear showing singly scattered cells with enlarged hyperchromatic nuclei among reactive mesothelial cells and lymphocytes. The patient had chronic liver disease. (b) Section of the cell block of this case showing moderate cellularity with clusters of cells with morphology of reactive mesothelial cells. Background shows many inflammatory cells and blood. No atypical cells could be found in these sections (H & E, 400×). (c–e) The cell clusters show strong positivity for calretinin and WT1, whereas they are negative for CD15. The inflammatory cells in the background show positivity for CD15. H & E = hematoxylin and eosin