When injured,kidney is different from other parenchymal organs in the abdomen in that it can be protected by perirenal tissues,and renal bleeding is generally self-limited if not too violent.

• 肾损伤时,由于其周围组织的保护作用,使它不同于腹腔内其他实质器官,对于一般性的出血具有较强的自限性,故目前对于肾损伤多倾向于保守治疗。