PMC6173903_01
Gram-stain observed in sputum from patient with Corynebacterial pneumonia. A sputum sample collected from the patient in Case 1 depicts Gram-positive bacilli (purple) within and surrounding polymorphonuclear cells (pink). The "club-shaped" appearance pathognomonic for the group "Coryneform" is appreciated
41479_2018_54_Fig1_HTML.jpg
PMC6173903_01_41479_2018_54_Fig1_HTML.jpg
Fig1
Microscopic examination of Gram-stained sputum showed profuse polymorphonuclear leukocytes (PMNs) and Gram-positive rods, many of which appeared to be intracellular (Fig. 1).
PMC6173903_02
PMC6173903_03