A cavitating area of localised suppurative infection within the lung

Causes/Factors

  • Inadequately treated pneumonia
  • Aspiration
  • Bronchial obstruction
  • Pulmonary Infarction
  • Subphrenic or hepatic abscess

Clinical Features

  • Swinging fever
  • Productive cough - bad smelling sputum
  • Pleuritic pain
  • Haemoptysis
  • Malaise
  • Weight loss
  • Finger clubbing

Diagnostic Tests

  • Bloods - FBC, ESR, CRP, culture
  • Sputum culture
  • CXR: walled cavity often with fluid level
  • Bronchoscopy for specimen

Management

  • Antibiotics
  • Drainage