Case 71. Panel: Bacteria seen in sputum preparations (10)

　 　 　 　
　
Legionella pneumophila (Gimenez)
 　
　 　 　 　

　

 　 Red-stained rods are seen in the cytoplasm of macrophages. Gimenez stain is not specific for Legionella, and a variety of microbes such as H. pylori and rickettsia, are identified with this stain.