Micro TESE (Testicular Sperm Extraction Under Microscope) is a surgical method used in cases of male infertility. It is the procedure of opening the testis and searching for sperm in order to enable people with no sperm in their semen (azoospermia) or severely impaired sperm quality to have a child by IVF method.
How is Micro TESE made?
In this procedure, testicular tissue is examined under a powerful surgical microscope at large magnification, and small-sized tissue samples are taken from tubules that appear plump. If viable sperm cells are found and the eggs taken from the mother are ready, they are used the same day for in vitro fertilization or frozen and stored for use in future in vitro fertilization.
What is the Advantage of Micro TESE to Classic TESE Operation?
In the micro-TESE method, the testicular tissue is less likely to be damaged because much less tissue samples are taken compared to the classical TESE procedure. Examination of the tubules with sperm production with microscope magnification increases the possibility of finding sperm and allows obtaining more and better quality sperm.
What Should Be Done If Sperm Cell Cannot be Found in Micro TESE Surgery?
MIf no sperm is found with Micro TESE, pathological examination must be performed from the tissues taken. Pathological examination will guide the patient about the process to follow. In cases where the micro TESE method is unsuccessful, the possibility of obtaining sperm in repeated applications varies between 20-30%. In recent years, ROSI method has been presented as an alternative treatment approach for cases where sperm cannot be obtained with TESE. In the Rosi Technique (Round Spermatid Injection), precursor sperm cells (round spermatid), which normally do not have the necessary capacity to provide fertilization, are used in assisted reproductive techniques.
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