Round Pneumonia

• Spherical pneumonia caused by
  
  • Haemophilus influenzae
  • Streptococcus
  • Pneumococcus
    
• Children are affected much more than adults
  
• Location
  • Usually lower lobe
  • Most often posterior
     
• Clinical
  
  • Cough
  • Fever
  • Chest pain
    
    

• May change size rapidly
   
• May have slightly irregular border and contain air bronchogram
  
  
• Not to be confused with mass in children
  
  

Round Pneumonia. There is a large, spherical density in the right upper lobe on both the frontal (left) and lateral view (right).