734 



Tuberculosis 



tuberculosis the process of destruction is greatly accelerated 

 by inspired saprophytic bacteria that live in the necrotic 



Fig. 245. Tuberculosis of the lung: the upper lobe shows advanced 

 cheesy consolidation with cavity-formation, bronchiectasis, and fibroid 

 changes; the lower lobe retains its spongy texture, but is occupied by 

 numerous miliary tubercles. 



tissue. The patient also suffers from secondary infections, 

 especially by the streptococcus and pneumococcus. 



