Acute ascending bronchopneumonia
- Subpleural is found well distinguished area of leukocytic infiltration, which destroys lung parenchyma and forms abscesses А.
- In adjacent alveoli – exudate, composed of leukocytes and desquamated pneumocytes.
- At the periphery are found unaffected alveoli, but they are pressed and collapsed because of compression (CA).The perforation of an abscess in pleural cavity leads to pyopneumothorax.
- Pleura is engaged by fibrinous-purulent exudate.
- ØThis complication is typical for staphylococcal pneumonia in infants (X-ray designated as pneumonia ‘bullosa’).
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