Pseudomonas-pulmonary-infection

Pulmonary pseudomonas aeruginosa infection is an uncommon cause of community-acquired pneumonia but can be a common cause of nosocomial pneumonia. It becomes increasingly important in critically ill and ventilated patients.

Pneumonia due to Pseudomonas aeruginosa can occurs as several distinct syndromes :

Radiographic features

CT - HRCT chest

It can have a number of radiographic presenations with the commonest patterns being

A pleural effusion may be present in approximately 40% of patients.

Other uncommon features include intralobular reticular opacities, pleural enhancement, pulmonary cavities and centrilobular nodules.