TESA, otherwise known as Testicular Sperm Aspiration is a similar procedure to PESA which is another form of surgical sperm removal, except that rather than taking sperm directly from the epididymis (this is the ‘sperm reservoir’ found at the back of each testis), with TESA, some sperm tubules (which produce sperm cells) are aspirated from the testes, and then sperm is extracted from these. Please note that this is different from fine needle mapping which is a diagnostic procedure to try and find isolated areas of sperm production.
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Professor Minhas's published work on surgical sperm retrieval and azoospermia.
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