Correlation of roentgenologic diagnosis and etiologic agents of pneumonia in Thai children under 5 years of Age

An attempt to distinguish between viral and bacterial pneumonia from radiographs is usually difficult unless there is a pathognomonic type of infiltration such as parahilar peribronchial infiltration commonly seen in viral pneumonia which can be usually be differentiated easily from that of bacterial pneumonia. Percentage of agreement of roentgenographic diagnosis for bacterial pneumonia, viral pneumonia and mixed infection is about 53, 73.3 and 63.9 per cent respectively.