Patomorphology of viral-bacterial pneumonia

This article presents the pathomorphological changes that develop in the lungs in viral-bacterial pneumonia. The results showed that in viral-bacterial pneumonia, the lungs initially develop hemorrhagic exudative inflammation, which is accompanied by changes characteristic of bacterial pneumonia, purulent-necrotic, serous-fibrinous exudative inflammation, which is diffuse in both lungs; is manifested by the development of polymorphic apparent inflammation involving bronchoalveolar tissue. When streptococcal or staphylococcal lesions are added to the viral lesion, purulent-necrotic processes are added to the hemorrhagic exudative inflammation; foci of inflammation often involve the lower and posterior portions of the lung. The addition of conditionally pathogenic bacteria and fungi indicates the presence of immunodeficiency and other co-morbidities in children, and pneumonia often persists with mixed-type inflammation.

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