How are the radiographic findings of lobar pneumonia characterized in bacterial pneumonia?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Answer

Radiographically, lobar pneumonia, or focal or nonsegmental pneumonia, is manifested as nonsegmental, homogeneous consolidation involving one, or less commonly, multiple lobes. Larger bronchi often remain patent with air, creating the characteristic air bronchogram. Lobar consolidation is pathologically the result of the rapid production of edema fluid with minimal cellular reaction, occurring initially in the lung periphery and then spreading between acini through the pores of Kohn and canals of Lambert.


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