我科自1993年4月～1996年9月采用尿道内放置记忆合金支架治疗高危前列腺增生症33例，临床疗效满意，现报告如下。1资料与方法1．亚临床资料本组治疗分两个时期，第1期为1993年4月～1994年9月，采用镍钛记忆合金螺旋支架治疗前列腺增生症7例，年龄58～85岁，平均73．l岁；第2期1 Our department from April 1993 ~ September 1996 using urethral placed memory alloy stent in the treatment of 33 cases of high-risk benign prostatic hyperplasia, clinical efficacy is satisfactory, are as follows. 1 Materials and Methods 1. Subclinical data The treatment group divided into two periods, the first period from April 1993 to September 1994, the use of nickel-titanium memory alloy stent 7 cases of benign prostatic hyperplasia, aged 58 to 85 years, an average of 73. l years old; the first two