Comparison of testicular sperm aspiration to testicular sperm extraction in men with obstructive azoospermia

      Obstructive azoospermic men who are unwilling or unable to undergo microsurgical reconstruction are able to have fertility treatment utilizing the advances in sperm retrieval techniques and assisted reproductive technology. The ideal sperm retrieval technique may vary depending on the clinical situation but the goal is to retrieve adequate numbers of high quality sperm for fresh use and/or for cryopreservation [1]. Open and percutaneous sperm retrieval techniques have been well described but there is a paucity of literature describing and comparing these techniques in obstructive azoospermic males.
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