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早在1911年研究证实:射精管不仅是精液的通道。而且其开口具有特殊的膜状阀门。能防止尿液从尿道逆流到精道。作者的研究证明,射精管开口处的膜状阀门具有括约机能。依据病因学、发病学和临床表现的不同,作者把55例射精管疾患分为3组,即:(1)射精管发育畸形,(2)射精管括约功能不全,(3)射精管梗阻。第一组为射精管发育畸形,射精管发育畸形罕见而诊断困难,但常合并输精管和精囊发育畸形,有时患者尚有很像精囊的苗勒氏管囊肿,诊断依据阴囊触诊,附属性腺的超声扫描,精液的形态观察和生化分析,精液中既缺乏精子,也缺乏果糖。作者把射精管开口畸形分为尿道外型和尿道内型,射精管开口尿道
As early as 1911, the study confirmed that: the ejaculatory duct is not only the passage of semen. And its opening has a special membrane valve. To prevent urine from countercurrent urethra to fine Road. The author’s research shows that the film-shaped valve at the opening of the ejaculatory duct has an encircling function. According to the etiology, pathogenesis and clinical manifestations of the different 55 cases of ejaculatory disorders are divided into three groups, namely: (1) the development of ejaculation deformities, (2) cousins insufficiency, (3) ejaculatory duct obstruction . The first group of ejaculatory duct deformities, erectile dysplasia rare and difficult diagnosis, but often associated with vas deferens and seminal vesicle malformations, and sometimes there are patients with seminal vesicle Mullerian cyst, diagnosis based on scrotal palpation, gonadal attachment Ultrasound scanning, morphological observation and biochemical analysis of semen, both sperm and lack of fructose in semen. The author of the ejaculatory duct deformity is divided into urinary tract and urethral type, ejaculatory duct urethra