title: Gram stain in Legionnaires' disease.
abstract: A case of Legionnaires' disease is presented in which gram staining of impression smears from lung biopsy specimens showed Legionella pneumophila while other laboratory findings remained negative. This case illustrates the usefulness of gram staining in this disease and in the management of therapy.
mesh_terms: D001431:Bacteriological Techniques; D006801:Humans; D007875:Legionella / Q000302:isolation & purification; D007877:Legionnaires' Disease / Q000382:microbiology*; D008168:Lung / Q000382:microbiology*; D008297:Male; D008875:Middle Aged; D013194:Staining and Labeling