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分析51例梗阻性无精子症的原因、部位与手术治疗情况，其中先天性原因31例（60．80％），感染原因6例（1．76％），损伤或输精管结扎原因8例（15．68％），不明原因6例（11．76％）。梗阻在附睾头部4例（78．5％），附睾体尾部7例（1．72％），附睾尾部5例（9．81％），输精管35例（68．62％），无射精管梗阻者。同时对24例施行了手术探查或治疗，其中输精管吻合8例，术后7例女方怀孕；输精管管腔扩大术1例，术后穿刺抽吸精子并人工授精，女方怀孕2个月后流产；人工精液囊肿成形术5例，4例行穿刺抽吸精子并人工授精1～2个周期，其中1例女方怀孕后流产；附睾输精管吻合术6例，3例术后复查无精子，3例精子密度在（4～21）×109．L，但无一例女方怀孕。认为正确分析和认识梗阻原因及部位，对指导治疗及判断预后具有重要意义。
Fifty-one cases of obstructive azoospermia were analyzed retrospectively. The causes, locations and surgical treatment of 51 patients with obstructive azoospermia were analyzed. Among them, 31 (60.80%) were congenital causes, 6 (1.76%) were causes of infection, 8 .68%), 6 cases with unknown reason (11.76%). Obstruction in the epididymal head in 4 cases (78.5%), epididymal tail in 7 cases (1.72%), epididymal tail in 5 cases (9.81%), vas deferens in 35 cases (68.62% Obstruction. At the same time, surgical exploration or treatment was performed in 24 cases, including 8 cases of vas deferens anastomosis, 7 cases of female pregnancy after the operation; 1 case of vasodilator expansion, 1 case of sperm aspiration and artificial insemination, 2 months after pregnancy; 5 cases of artificial semen cystoplasty, 4 cases of aspiration sperm aspiration and 1 ~ 2 cycles of artificial insemination, of which 1 case of female abortion after pregnancy; epididymal sphincter anastomosis in 6 cases, 3 cases of postoperative review without sperm, 3 cases of sperm The density of (4 ~ 21) × 109. L, but no one pregnant woman. That the correct analysis and understanding of the cause and location of obstruction, to guide the treatment and prognosis of great significance.