%。125I 、198Au 在耻骨后开放手术植入前列腺内,随访3~7年生存率达83%~92%,Hanks报道5年生存且无肿块,>80%,PSA 4~10ng/ml 81%,PSA>20ng/ml 12%~20% 。Ragde报道122例T1~T2期应用125I 160Gy,经会阴途径植入,随访7年生存率87%[5]。 应用微创植入125I放射粒子治疗前列腺癌,是一种新的有效方法,其放射生物学及放射物理学均较合理,为前列腺癌的综合治疗增添了新的手段。近年来国外已广泛应用于前列腺癌的治疗,并取得了可喜的成绩。进一步加强该方法的研究和推广应用,有望使前列腺癌患者治愈率提高,延长病人的生命。【参考文献】 1 郭应禄.前列腺增生及前列腺癌.北京:人民卫生出版社,1999,113,160-161,243-244. 2 Porter AT, Littrap P, Grignon D, et al. Radiotherapy and Cryotherapy for prostate cancer. In: walsh PC, Retik AB, Vaughan ED, et al(eds). Campell’s Urology ED. 7th.Harcourt Asia W. B. Saunders,2001,2605-2607. 3 Beyer DC, Priestlry JB. Biochemical disease-free survival following 125I prostate implantation. In J Radio Oncol Biol Phys, 1997,37:559-563. 4 Kupelian P,Levin H,Zippe C,et al. A contemporary series of external beam radiotherapy versus radical prostatectomy for localized prostate cancer:A single institution experience.Proc Annu Meet Am Soc Clin,1996,15:Oncol A 616. 5 Ragde H,Blasko JC, Grimm PD,et al.Intestitial I -125 radiation without adjuvant therapy in the treatment of clinically localized prostate cancer. Cancer,1997,80:442-453. 上一页 [1] [2]
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