[Problems of the pathogenesis of acute suppurative lung diseases].

An investigation of pathogenesis of abscesses and gangrenes of the lungs in 306 patients has shown that their main pathogenetic forms are bronchogenous, pneumonic and hematogenic forms. Hematogenic abscesses can be divided into metastic and embolic according to peculiarities of their pathogenesis. The course of acute purulent diseases of the lungs has 5 clinico-pathogenetic stages.