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How Klebsiella infection appears on chest X-ray

Imaging Findings :

Homogeneous parenchymal consolidation containing air bronchograms (simulates pneumococcal pneumonia). Primarily involves the right upper lobe. Typically induces a large inflammatory exudate, causing increased volume of the affected lobe and characteristic bulging of an adjacent interlobar fissure.See this figure below:

Small Comment:

Most commonly develops in alcoholics and in elderly patients with chronic pulmonary disease. Unlike acute pneumococcal pneumonia, Klebsiella pneumonia causes frequent and rapid cavitation, and there is a much greater incidence of pleural effusion and empyema.

For Comparison with pneumococcal pneumonia :


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