Conclusion The apoptosis of spermatogenic cells of bilateral testes caused by left varicocele may be one of the mechanisms of male sterility caused by varicocele.

• 结论实验性精索静脉曲张所引起的双侧睾丸生精细胞凋亡增加，可能是精索静脉曲张影响睾丸生精功能的机制之一。