Dr. Human Fatemi
Dr. Barbara Lawrenz
Fine needle aspiration is a technique which involves using a thin, hollow needle to remove samples of tissue or fluid from an organ of the human body. In Testicular Sperm Aspiration (TESA), a very thin, hollow needle is gently inserted through the skin. Often there is a syringe attached to the needle. Then, sperm is extracted directly from the testicles by passing the fine needle directly into the testicle. After that, a small amount of tissue is extracted and prepared in the laboratory and examined for sperm.
Usually, the test can be done without the need to make a cut in the skin. This helps to minimise any discomfort for the person having the test as well as reduce the risk of infection or other complications. Often used in cases of obstructive azoospermia. This procedure is done under local anesthesia.
Sperm obtained by this method are either frozen for subsequent use or prepared using a process of washing and grading.
Testicular FNA has gained popularity as a diagnostic and therapeutic tool for male infertility treatment for the following reasons:
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