肾动脉的变异临床较常见[1],正常肾动脉(一级支)约平第1～2腰椎椎间盘高度单支起于腹主动脉,横行向外,到肾门附近分为前、后两干(二级支),经肾门入肾,在肾内再分为肾段动脉(三级支),至各肾段组织。正常情况下睾丸动脉在肾动脉起始处稍下方由腹主动脉前壁发出[2,3]。作者在解剖 Renal artery variation clinical more common [1], normal renal artery (first branch) about the first 1 ~ 2 lumbar disc height from the abdominal aorta, transverse outward, to the front of the kidney door is divided into before and after the two Dry (two branches), the renal portal into the kidney, and then divided into renal artery renal artery (three branches), to the renal tissue. Under normal circumstances the testicular artery at the beginning of the renal artery slightly below the anterior abdominal wall issued by the [2,3]. Anatomy of the author