梗阻性无精子症(OA)是男性不育的重要原因之一,约占无精子症的40%,其中射精管梗阻(ejaculato-ry duct obstruction,EDO)的发病率约为1%～5%。精浆生化检测技术和经直肠超声(TRUS)技术的广泛应用使越来越多的OA患者得以检出,近年来微创外科技术的发展使本病的诊断和治疗水平有了很大的提高。1临床表现OA缺乏特异性表现,患者可有射精乏力、精液量少、射精痛、血精、睾丸疼痛、会阴部不适、尿道口异常分泌物、腰背酸痛、排尿困难等症状,可合并有附睾炎 Obstructive azoospermia (OA) is one of the important causes of male infertility, accounting for about 40% of azoospermia. The incidence of ejaculato-ry duct obstruction (EDO) is about 1% to 5% . Seminal plasma biochemical detection technology and transrectal ultrasound (TRUS) technology is widely used so that more and more patients with OA can be detected in recent years, the development of minimally invasive surgical techniques to make the diagnosis and treatment of the disease has been greatly improved . 1 clinical manifestations of OA lack of specific performance, patients may have ejaculation fatigue, semen less, ejaculation pain, sperm, testicular pain, perineal discomfort, abnormal urethral discharge, back pain, dysuria and other symptoms may be combined Epididymitis