Answer from: Raúl Olivares, MD
TESA procedure stands for Testicular Sperm Aspiration and TESE stands for Testicular Sperm Extraction and the differences are the way we are going to get the sperm.
When we’re doing TESA, we’re going to insert a thin needle either into the epididymis or the testicles. We’re going to gently aspirate and obtain sperm from that.
When we’re doing TESE, we need to surgically open the testicle and remove a part of the tissue and the lab is going to identify the sperm in that portion of tissue.
In general, we can see that TESA can be done when we think that the chances of obtaining sperm are higher, it is a less invasive procedure, which is usually better tolerated. With the right protocol of painkillers having a TESA should be easy and the patient can start leading a normal life in 24-48 hours after the procedure.
Answer from: Andris Abele, MD
The difference is within the technique of sperm retrieval. TESA or testicular sperm aspiration is performed by sticking a needle in the testis and aspirating fluid and tissue with negative pressure – this means that the physician obtains a small sample of tissue using gentle suction. While TESE or testicular sperm extraction is actually a surgical biopsy of the testis to retrieve tissue that contains sperm – this means that a small piece of testicular tissue is resected from one or both testes.
How TESA and TESE differs from each other?
TESE (Testicular Sperm Extraction), TESA (Testicular Sperm Aspiration) – is there a difference? Which one is better?
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