• Lung abscess
- Acute onset
- The expectoration increases on lying on healthy side
- Retension $ is common (i.e. attacks of cough with expectoration of large amount of sputum and evacuation of the cavity and then reaccumulation occurs )
- Gradual onset
- Long duration
- It is bilateral, basal so the expectoration increases with leaning forward .
• Infected cystic lung
• Empyema with bronchopleural fistula diagnosed by (Methylene blue test)
i.e. injection of methylene blue into pleural space -7 bluish colouration of the sputum.
Complications of lung abscess:• Pneumonitis
• Pleurisy, pleural effusion and empyema.
• Bronchiectasis and fibrosis
• Amyloidosis e.g in kidney ---> Nephrotic $
Read : - Diagnosis of Lung abscess | symptoms, signs and investigations .
- Lung abscess definition, causes, pathology and treatment