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PNEUMOCOCCAL PNEUMONIA

“ Due to  Streptococcus,  i t accounts for >50% of bacterial pneumonia. Plain film •   Consolidation with or without air bronchograms, it...

Due to Streptococcus, it accounts for >50% of bacterial pneumonia.
Plain film
•  Consolidation with or without air bronchograms, it may be multi-lobar or bilateral.
•  Pleural effusions are common.
•  In children, consolidation may be mass-like, ‘round pneumonia’—more common in the lower zones.
CT
•  Consolidation appears more extensive than on plain radiography.
•  Lymph node enlargement is common.
•  Look for small nodules or ‘tree in bud’ opacities (small airway inflammation).
•  Pleural effusions are common; pleural enhancement suggests empyema.