Staphylococcus Pneumonia

  • Etiology: < 1 year old has endobronchial spread, older children have hematogeneous spread
  • Imaging: can cause effusion / empyema in 90%, pneumatocele (50%), pneumothorax (10%)

Cases of Staphylococcus Pneumonia

CXR of pneumatocele
CXR shows a large thin walled cystic lesion in the left lower lobe.
CXR of lung abscess in cystic fibrosis
CXR shows a round cavitary lesion with an air-fluid level in the left upper lobe.