References
- Pinto KJ, Kroovand RL, Jarow JP. Varicocele related testicular atrophy and its predictive effect upon fertility. J Urol. 1994;152:788–790.
- Safarinejad MR. Infertility among couples in a population-based study in Iran: prevalence and associated risk factors. Int J Androl. 2008;31:303–314.
- Coolsaet BL. The varicocele syndrome: venography determining the optimal level for surgical management. J Urol. 1980;124:833–839.
- Kim WS, Cheon JE, Kim IO, et al. Hemodynamic investigation of the left renal vein in pediatric varicocele: Doppler US, venography, and pressure measurements. Radiology. 2006;241:228–234.
- Khera M, Lipshultz LI. Evolving approach to the varicocele. Urol Clin North Am. 2008;35:183–189.
- Wright EJ, Young GP, Goldstein M. Reduction in testicular temperature after varicocelectomy in infertile men. Urology. 1997;50:257–259.
- Allamaneni SS, Naughton CK, Sharma RK, et al. Increased seminal reactive oxygen species levels in patients with varicoceles correlate with varicocele grade but not with testis size. Fertil Steril. 2004;82:1684–1686.
- Kumanov P, Robeva RN, Tomova A. Adolescent varicocele: who is at risk? Pediatrics 2008;121:53–57.
- Zampieri N, Cervellione RM. Varicocele in adolescents: a 6-year longitudinal and follow up observational study. J Urol. 2008;180:1653–1656.
- Stavropoulos NE, Mihailidis I, Hastazeris K, et al. Varicocele in schoolboys. Arch Androl. 2002;48:187–192.
- Sabanegh E, Agarwal A. Male infertility. 10th ed. In: Wein AJ, Kavoussi LR, Novick AC, Partin AW, Peters CA, editors. Campbell–Walsh urology. Philadelphia: Saunders; 2012. p. 636–637.
- Callam MJ. Epidemiology of varicose veins. Br J Surg. 1994;81:167–173.
- Canales BK, Zapzalka DM, Ercole CJ, et al. Prevalence and effect of varicoceles in an elderly population. Urology. 2005;66:627–631.
- Levinger U, Gornish M, Gat Y, et al. Is varicocele prevalence increasing with age? Andrologia. 2007;39:77–80.
- Lyon RP, Marshall S, Scott MP. Varicocele in childhood and adolescence: implication in adulthood infertility? Urology. 1982;19:641–644.
- Kass EJ, Belman AB. Reversal of testicular growth failure by varicocele ligation. J Urol. 1987;137:475–476.
- Lipshultz LI, Corriere JN. Jr. Progressive testicular atrophy in the varicocele patient. J Urol. 1977;117:175–176.
- Sigman M, Jarow JP. Ipsilateral testicular hypotrophy is associated with decreased sperm counts in infertile men with varicoceles. J Urol. 1997;158:605–607.
- Thomas JC, Elder JS. Testicular growth arrest and adolescent varicocele: does varicocele size make a difference? J Urol. 2002;168:1689–1691.
- Zampieri N, Zuin V, Corroppolo M, et al. Relationship between varicocele grade, vein reflux and testicular growth arrest. Pediatr Surg Int. 2008;24:727–730.
- Alukal JP, Zurakowski D, Atala A, et al. Testicular hypotrophy does not correlate with grade of adolescent varicocele. J Urol. 2005;174:2367–2370.
- Kolon TF, Clement MR, Cartwright L, et al. Transient asynchronous testicular growth in adolescent males with a varicocele. J Urol. 2008;180:1111–1114.
- Sakamoto H, Ogawa Y, Yoshida H. Relationship between testicular volume and varicocele in patients with infertility. Urology. 2008;71:104–109.
- Yamacake KG, Cocuzza M, Torricelli FC, et al. Impact of body mass index, age and varicocele on reproductive hormone profile from elderly men. Int Braz J Urol. 2016;42:365–372.
- Ji B, Jin XB. Varicocele is associated with hypogonadism and impaired erectile function: a prospective comparative study. Andrologia. 2017;49:e12683.
- Abdel-Meguid TA, Farsi HM, Al-Sayyad A, et al. Effects of varicocele on serum testosterone and changes of testosterone after varicocelectomy: a prospective controlled study. Urology. 2014;84:1081–1087.
- Hsiao W, Rosoff JS, Pale JR, et al. Varicocelectomy is associated with increases in serum testosterone independent of clinical grade. Urology. 2013;81:1213–1217.
- Tanrikut C, Goldstein M, Rosoff JS, et al. Varicocele as a risk factor for androgen deficiency and effect of repair. BJU Int. 2011;108:1480–1484.
- Sathya Srini V, Belur Veerachari S. Does varicocelectomy improve gonadal function in men with hypogonadism and infertility? Analysis of a prospective study. Int J Endocrinol. 2011;2011:916380.
- Chen X, Yang D, Lin G, et al. Efficacy of varicocelectomy in the treatment of hypogonadism in subfertile males with clinical varicocele: a meta-analysis. Andrologia. 2017;49:e12778.
- Hsiao W, Rosoff JS, Pale JR, et al. Older age is associated with similar improvements in semen parameters and testosterone after subinguinal microsurgical varicocelectomy. J Urol. 2011;185:620–625.