对子宫颈癌进行放疗时,可伴随出现膀胱损伤,其发生率为2.48～5.6%。早年报告损伤的主要原因,是用镭行腔内放疗所致;本世纪后半期,使用超高压外照射加腔内放疗提高了疗效,且腔内照射也从低剂量率变为高剂量率。虽然电子计算机很容易计算出空间的剂量分布,并且常规地直接测量膀胱、直肠的剂量,能得知确切的受量,但是,放射治疗技术的进步,并不能使子宫颈癌治疗时的病灶与膀 Cervical cancer radiotherapy may be accompanied by bladder injury, the incidence was 2.48 ~ 5.6%. Early report the main reason for injury is radiotherapy with intracavitary radiotherapy caused by the second half of this century, the use of extra-high pressure external beam plus intracavitary radiotherapy to improve the curative effect, and intracavitary irradiation from low dose rate to high dose rate. Although it is easy to calculate the spatial distribution of dose in an electronic computer and the dose of bladder and rectum can be routinely and directly measured, the exact dose can be obtained. However, advances in radiation therapy can not make the lesions in cervical cancer treated with bladder