由于精原细胞瘤的高度放射敏感性和易发生淋巴转移的特点,采用患侧睪丸切除术加术后放疗淋巴引流区已为常规疗法。但对腹主动脉旁淋巴引流照射野的宽度,尚无统一意见,多为10cm。由于该野偏大可增加内脏尤其是左肾的损害,虽然只照射部分肾 Due to the high radiosensitivity of seminoma and the characteristics of lymphatic metastasis, the use of ipsilateral debridectomy plus postoperative radiotherapy for lymphatic drainage has become a routine therapy. However, there is no consensus on the width of the abdominal aortic lymphatic drainage field, mostly 10cm. Due to the fact that the field is too large can increase the damage of the viscera, especially the left kidney, although only part of the kidney is irradiated.