Mesa TESA

Mesa TESAIn cases of azoospermia where the sperm cannot be retrieved from the testis, epididymal sperm aspiration (MESA) and percutaneous epididymal sperm aspiration, or PESA, are two of the few options for obtaining immature sperm cells. Both procedures involve opening the epididymal tubules and aspirating sperm, but whereas TESA involves puncturing the testicle, PESA involves…

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