<prompt> Characteristic pathological feature of pneumococcal pneumoniaConsolidation of airwayInterstitial pneumonitisIncreased eosinophilsHilar lymphadenopathy  <response>: The characteristic pathological feature of pneumococcal pneumonia is radiographic evidence of lobarsegmental consolidation.Consolidation may be associated with a small pleural effusion or empyema in complicated cases.In children,round pneumonia, a distinctly spherical consolidation is associated with pneumococcal pathology.Non specific findings include elevated polymorphonuclear leukocytes15 000micro Litre in most cases upward of 40,000micro Litre in some,elevated liver function tests,etc. Reference:Harrison s medicine-18th edition,page no:1156. 