Relationship between testicular sperm extraction and varicocelectomy in patients with varicocele and nonobstructive azoospermia.

Objective: To evaluate the effect of varicocelectomy on sperm retrieval at testicular sperm extraction (TESE) and at spermiograms in patients with nonobstructive azoospermia.

Materials And Methods: An observational study was conducted from April 2008 to December 2011. The study included men with a clinical diagnosis of nonobstructive azoospermia with a history of clinical unilateral varicocele (only grade III).