The Radiographic Resolution ofStreptococcus pneumoniaePneumonia

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Abstract
To determine the characteristics of the radiographic resolution of bacteremic Streptococcus pneumoniae pneumonia we examined serial chest roentgenograms in 72 patients. Consolidation disappeared in all patients by eight to 10 weeks; volume loss (9 per cent), pleural disease (9 per cent), and stranding (19 per cent) often persisted beyond eight weeks. Resolution occurred earlier in patients less than 50 years old (P < 0.05) and in the absence of alcoholism and underlying airways disease regardless of age (P < 0.05). Delayed clearing occurred when these complicating factors were present in patients over 50. Lung cancer was not responsible for delayed resolution of pneumonia.

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