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由无精子症引起的男性不育约占46.8%,包括射精障碍,睾丸问题,染色体异常等,而输精道梗阻是其原因之一。病史对诊断输精道梗阻、射精障碍等原因十分重要。有生精功能障碍而输精道通畅无阻者,FSH可以升高;如果 LH 增高则表明间质细胞萎缩或功能低下;检查精液内果糖及肉毒硷对诊断输精道梗阻的部位十分重要。此外,还必需对输精道梗阻的病理生理有一个正确的认识。由输精道梗阻而引起的无精子症主要是由于输精管狭窄或先天性缺如,而睾丸功能可以正常。其主要原因有输精管先天性缺如
Male infertility caused by azoospermia accounted for about 46.8%, including ejaculation disorders, testicular problems, chromosomal abnormalities, etc., and one of the reasons for obstruction of the spleen. History of the diagnosis of obstruction, ejaculation disorders and other reasons is very important. Spermatogenic dysfunction and lose conscience unobstructed, FSH can be increased; if the increase in LH is that interstitial atrophy or dysfunction; check the seminal fluid of fructose and carnitine for the diagnosis of obstruction obstruction site is very important. In addition, you must also have a correct understanding of the pathophysiology of obstruction obstruction. Azoospermia caused by obstruction of obstruction is mainly due to stenosis or congenital absence of the vas deferens, and testicular function can be normal. The main reason for the lack of congenital congenital absence