We describe two cases of pleural effusion with extravasation of urinary system; one who had spon-taneous ureteral rupture and the other who had a history of failed percutaneous nephrolithotomy.

• 我们在文中特就文献回顾针对此种非寻常肋膜积液的发生机转，诊断方式及处理方法，加以讨论。