Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Etiology/Pathophysiology:
Common pathogens include Staphylococcus, Pneumococcus (Streptococcus
pneumonia), and Haemophilus influenza. Bacterial pneumonia usually
has primarily alveolar involvement without airway involvement.
Pneumatoceles may form during the recuperative phase and are
transient accumulations of interstitial air that have escaped through
necrotic bronchial foci and are usually of little significance,
resolving over time.
Pathology:
Not applicable
Imaging Findings:
Homogeneous consolidation of all or part of a lobe with air
bronchograms. Lung volume is preserved. Bacterial infections are
usually in the periphery of the lung while viral infections are more
commonly in the center of the lung in a perihilar location. Effusions
are often seen with bacterial pneumonia.
DDX:
References:
Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
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