title: Pericardial cyst: an unusual cause of pneumonia.
abstract: BACKGROUND
  Pericardial cysts occur rarely with an incidence rate of 1 per 100,000. They are usually detected by chance and are clinically silent in most cases.
  
  
  METHODS
  We report the case of a 66 year old Irish male, with signs and symptoms of pneumonia. A chest X-Ray confirmed left lower lobe consolidation. Further imaging including a CT thorax identified a large pericardial cyst as the cause of the symptoms.
  
  
  CONCLUSIONS
  Although pericardial cysts are usually asymptomatic, they can present with chest pain and symptoms of respiratory tract infection.
authors.affiliation: Department of Medicine, Cavan General Hospital, Cavan, Ireland. wfmelamin@yahoo.com.
authors.forename: Wael Faroug
authors.initials: WF
authors.lastname: Elamin
authors.forename: Kieran
authors.initials: K
authors.lastname: Hannan