Testicular Sperm Extraction (TESE) is a minor procedure that can be performed on men that produce sperm but are unable to ejaculate it. It involves the introduction of a thin needle directly into the testicle(s), under local anesthesia, without making a skin incision.
Hair-thin specimens of testicular tissue are removed in the space of 15 to 30 minutes. Sperm are extracted from the tissue and each egg is injected with a single sperm using the Intracytoplasmic Sperm Injection (ICSI) technique described above.
TESE is a simple, relatively low-cost, safe, and virtually pain-free procedure. Most men can literally take off a few hours for the procedure and return to normal activity the same day. In addition to the remarkable success rates with TESE/ICSI, the fact is that unlike vasectomy reversal, the procedure allows the man to retain his vasectomy for future contraception.