PMC3335710_01
Ulcer in oral cavity affecting upper left alveolus.
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fig1
On local examination, a painless ulcer measuring 1.8 cm in greatest diameter with irregular, friable margin and bleeding on touch was found affecting the left alveolar mucosa, involving premolar and molar region and extending laterally into the gingivolabial sulcus and medially into the soft palate (Figure 1).
Section showing epithelioid cell granuloma with Langhans' type of giant cells. (H & E; X10).
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fig2
Microscopic examination showed stratified squamous epithelium and subepithelium revealing crushing artifacts with presence of multiple necrotizing epithelioid cell granuloma and Langhans' type of giant cell (Figure 2).
Z-N staining showing acid fast bacilli (X100; in oil immersion lens).
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fig3
Ziehl-Neelsen stain of the tissue showed many acid fast bacilli (Figure 3).