本文报道10例输精管注射粘堵绝育术后发生再孕或疼痛者的输精管组织学研究结果。其中3例的输精管粘膜上皮完好,腔内无炎性反应或纤维组织增生。其余7例的粘膜上皮呈不同缺损,腔内常有不等的纤维母细胞,纤维细胞增生,但无一例发生完全纤维化闭锁管腔。10例中有8例输精管壁出现灶性坏死或异物肉茅肿。文中分析了发生上述改变的原因,讨论了应如何提高手术质量。 This article reports the results of vas deferens histology of 10 cases of pregnancy or pain after vasectomy and sterilization of the vasectomy. In 3 cases, the epithelium of the vas deferens was intact with no inflammatory reaction or fibrous tissue hyperplasia in the cavity. The remaining seven cases of mucosal epithelium showed different defects, cavity often unequal fibroblasts, fibroblasts, but no case of complete fibrosis atresia. In 10 cases there were 8 cases of focal necrosis or foreign bodies in the vas deferens wall. The paper analyzes the reasons for the above changes, discusses how to improve the quality of surgery.