Testicular Sperm Extraction Tese And Testicular Sperm Aspiration Tesa

Sometimes your fertility specialist may recommend a special type of testicular biopsy. This procedure may be advised when the male partner has a completely normal physical examination but is not producing sperm.

For this test, tiny pieces of each testicle are surgically removed and evaluated. The scrotal area is numbed with local anesthesia. Then hair-thin samples of testicular tissue are removed with a needle. Using a microscope, the pathologist is able to identify sperm in various stages of development. Sperm are removed from the tissue for further evaluation.

Following are two similar but slightly different variations of this test:

• Testicular sperm extraction (TESE)—sperm is extracted from the tissue

• Testicular sperm aspiration (TESA)—sperm is aspirated from the sperm duct

TESE/TESA can be used to provide viable sperm for use during IVF. Sperm from men who have suffered past injury or sperm duct blockage can be obtained and used to father a child through IVF. Viable sperm can also be obtained from men who have undergone prior vasectomies, without reversing the vasectomy itself.

This procedure is typically performed on an outpatient basis. The entire procedure takes less than 30 minutes. No stitches are required. The procedure is considered safe and almost pain free. The man is usually able to return to work and his regular routine within a day or so.

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