A 48 years old, smoker (20 cigarettes/day), without known personal pulmonary antecedents, is presented in the emergency service accusing: dry cough, fever (38,8°C), chills, dyspnea at medium efforts, dizziness, symptoms occurred 4 days ago and gradually accelerated. Following the paraclinical tests two possible major differential diagnoses take shape: bacterial pneumonia and lung cancer. For the diagnosis of pneumonia pleads clinical appearance (fever, chills, cough) and the results of radiological examination. The diagnosis of bronchopulmonary tumor is denied by bronchoscopy, the PBTT which doesn't reveal tumor cells and clinically well evolution. The case is interpreted as a form of trenant bacterial pneumonia in slow resorption - for this pleads the favorable clinical and radiological evolution, broad-spectrum antibiotic therapy, balancing electrolyte.
Keywords: bronchoscopy; pneumonia; trenant.