During spermiogenesis, the protamine proteins play an integral role in spermatid chromatin compaction. Recent research has focused on many facets of protamine b
目的比较外伤性尿道狭窄腔内与开放性手术方式的选择与疗效。方法回顾分析136例外伤性尿道狭窄腔内与开放性手术患者的临床资料。结果采用腔内手术60例,开放性手术76例,两组均有2例失败,成功率分别为96.6%与97.3%。腔内手术创伤小,且可反复进行。结论治疗方法应取决于病变部位、狭窄长度、瘢痕厚、硬度及全身情况。对于狭窄段<3.0 cm和闭锁长度<1.0 cm者应首选腔内手术。对狭窄长度>3.0 c