Retreving sperm with a neetle

There are many causes for male infertility. Up to 15 percent of men with fertility issues have no sperm when they ejaculate. About half the time this is due to a blockage of the reproductive tract. Often a testicular biopsy is required to determine if the lack of sperm is due to no sperm being produced or due to a blockage. Sperm retrieval is only possible if at least some sperm production is present. If there is a blockage of the reproductive tract, then sperm can be retrieved with special techniques.
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Sperm Retrieval Procedures

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Surgical sperm retrieval: Techniques and their indications

Men with azoospermia can father a child through intra-cytoplasmic sperm injection if sperm can be retrieved from their epididymis or testis. Several percutaneous and open surgical procedures have been described to retrieve sperm. The various techniques and their merits are discussed in this review. In men with obstructive azoospermia, epididymal sperm can usually be retrieved by percutaneous epididymal sperm aspiration PESA. In men with non-obstructive azoospermia, there will be no sperm in the epididymis and testicular sperm retrieval is required. Percutaneous retrieval by NAB can be tried first. The simplest, least invasive procedure should be tried first.
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Surgical sperm retrieval: Techniques and their indications

Please understand that our phone lines must be clear for urgent medical care needs. When this changes, we will update this web site. Please know that our vaccine supply is extremely small. Sperm harvesting is entirely different from a diagnostic testicular biopsy because, in this setting, the goal is not to identify what is happening in the testis but instead it is to find sperm. Only men with no sperm in their ejaculate azoospermia need to have sperm retrieved directly from the testis or epididymis.
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The objective of this prospective open study was to determine the feasibility of obtaining mature spermatozoa for intracytoplasmic sperm injection ICSI by testicular fine needle aspiration TEFNA in men diagnosed with non-obstructive azoospermia. TEFNA consisted of a mean of 15 punctures and aspirations in each testis, using 23 gauge butterfly needles, connected to a 20 ml syringe with an aspiration handle. Mature testicular spermatozoa were recovered in 65 The sperm recovery rate by testicular histology was 14 out of 29 No spermatozoa were found in two cases with post-irradiation fibrosis.
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