PMC4715887_01
Figure 1:Photomicrographs showing extensive caseous necrosis (a, Giemsa x100) and few epithelioid cell granulomas (b, Giemsa x200). A group of benign follicular epithelial cells is seen in c (Giemsa x200). Ziehl-Neelsen stain demonstrates acid-fast bacillus (arrow) in necrotic background (d, x1000).
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Giemsa-stained smears showed large areas of caseous necrosis with few epithelioid cell granulomas and foamy histiocytes (Fig. 1a and b). Scattered clusters of benign follicular cells were also seen (Fig. 1c). Ziehl-Neelsen stain revealed occasional acid-fast bacilli (Fig. 1d).