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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Tuberculosis (Edinb). 2017 Jul 14;106:91–98. doi: 10.1016/j.tube.2017.07.003

Figure 5. Detection of acid fast positive bacilli.

Figure 5

Representative images showing acid fast positive bacilli in lungs of pigs 36 weeks post aerosol challenge with Mtb HN878. (A) Granuloma of lung with necrotic center showing positive staining (red arrows) in the rim of the core of the granuloma. Center of granuloma contains acid fast positive staining associated with cell debris or free; (B, C, E) high magnification of foamy cells at the rim of granuloma and positive for intracellular acid fast staining; (D) multinucleated cells found at the rim of the granuloma core.