| Diagnosis: Pericardial cyst   Pericardial Cyst: Facts Pericardial Cysts: CT FindingsUsually at right anterior costophrenic angleWater density on CT2-30 cm in sizeHomogeneous without any enhancementAnomalous outpouching of the parietal pericardiumRight costophrenic location in 70-90% of casesSize from 1 cm to >25 cmUsually incidental finding in an asymptomatic person
 Pericardial Cyst: FactsSmoothly marginated lesion surfaceLess than 10 HUNo enhancement on contrast studiesSize range from 2-30 cmUsually incidental finding in an asymptomatic person
 Pericardial cystUsually an incidental findingMay be confused with a Morgagni hernia or duplication cyst or occassionally a thymic cyst
   Pericardial Cyst: Facts Usually at right anterior costophrenic angleWater density on CT2-30 cm in sizeHomogeneous without any enhancement
 Pericardial Cyst   Partially Calcified Pericardial Cyst   Pericardial Cyst: Differential Diagnosis Loculated pleural effusionBronchogenic cystHematomaEsophageal duplication cystPericardial tumor
 Pericardial Cysts Occassionally Can Be Confused With Paracardiac nodesLoculated effusionBronchogenic cystPericardial massLoculated pericardial effusion
 Bronchogenic Cyst   Paracardiac Adenopathy   Pericardial Effusion S/P AVR   Pericardial Effusion   Thymic cyst |