摘要
Pneumopericardium refers to the presence of air inside the pericardial cavity,which is a rare entity that has been reported clinically.Toledo,et al.[1]classified the causes of pneumopericardium into four categories:iatrogenic,pericarditis,fistula formation between the pericardium and adjacent hollow organs,and trauma.
基金
This study was supported by the Tianjin Key Medical Discipline(Specialty)Construction Project(TJYXZDXK-029A)。
