前列腺癌放疗后 ,10年的局部复发率达 75 %,如不治疗 ,则中位存活时间仅 33个月。放疗失败后补救性治疗包括前列腺切除术、冷冻消融和内放射等。作者研究了冷冻消融对放疗失败的前列腺癌的治疗作用。 1994年 12月～ 1999年 9月 ,根治性放疗失败的前列腺癌患者 118例 ,中位年龄 Prostate cancer after radiotherapy, 10-year local recurrence rate of 75%, if not treated, then the median survival time of only 33 months. After the failure of radiotherapy remedial treatment, including prostatectomy, cryoablation and internal radiation. The authors studied the therapeutic effect of cryoablation on prostate cancer that failed radiotherapy. From December 1994 to September 1999, 118 patients with prostate cancer who had failed radical radiotherapy had a median age