To extract sperm from testicular tissue Testicular Sperm Extraction) TESE), it is said that generally, men done. In these cases, the testicular tissue is fragmented andif there is sperm in this tissue the person candidate for treatment is microinjected. In this procedure, iodine biopsy or testicular fragmentation is performed with local anesthesia and the removed tissue is examined in the iodine embryological laboratory. If after careful examination of the testicular tissue live sperm of the appropriate quality these sperm are used for fertilization extraction (microscopic injection of sperm into the egg or microinjection).