Spontaneous (idiopathic) pneumopericardium. A case report and review of the literature

: Pneumopericardium is a rare entity, but it can occur in a wide variety of clinical situations. The spontaneous cases are very rare and generally can be associated with some predisposing or precipitating conditions. We report a case in which the pathogenesis of pneumopericardium undefined after conventional diagnostic clinical investigation. A concise review of the recent literature is presented, and some practical clinical remarks are made.