11. A secondary varicocele is due to compression of the venous drainage of the testicle. 12. Dr . Phillips recommended not removing the varicocele . 13. Though often asymptomatic, about one in four people with varicocele have negatively affected fertility. 14. Varicocele can be harmless, but in some cases it can cause infertility and pain.15. Isolated right sided varicoceles are rare. 16. Some studies have shown increases in blood testosterone levels in individuals that have undergone varicocele repair. 17. This is especially true in primary varicocele , and absence may be a sign for clinical concern. 18. The idiopathic varicocele occurs when the valves within the veins along the spermatic cord do not work properly. 19. There is tentative evidence that varicocele surgery may improve fertility in those with obvious findings and abnormal sperm. 20. The testicle on the side of the varicocele may or may not be smaller compared to the other side.
