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“What a piece of Work is a Man” quoted William Shakespeare (1564–1616 AC). The diagnosis or confirmation of azoospermia or cryptozoospermia with this nouvelle technique of microcentrifugation proposed and developed by our group is an answer to countless hours of attending difficult cases of men investigated or presenting with non-obstructive azoospermia (NOA) and having to give them a truthful perspective. It is amazing on how many false-positive or false-negative results of simplified “spermiograms” in the last 18 years we have had the difficult task to confront and disagree, unfortunately the majority of them performed in Clinical Analyses General Laboratories, so common in Brazil, not always familiarized with sperm physiology or andrology lab techniques widely disseminated by World Health Organization manuals. Surprisingly, wrongful results are not unusual from single semen analyses performed in “andrology” facilities located inside some Centers with eyes mainly focused in performing Intra-Cytoplasmic Sperm Injection (ICSI) as the silver-bullet for dealing with male infertility. These challenges have resulted in the development of a new microcentrifugation technique carrying important elements to become a “must-do step” in the diagnosis of NOA patients the endpoint variable of testicular failure due to, but not limited to health issues like: severe medical conditions, chronic diseases, varicocele, genetic causes, medications, illicit drugs, obesity, alcohol consumption, lifestyle habits, etc. Attention must be given to the fact that many of these conditions are potentially treatable with at least partial recovery of spermatogenesis, therefore avoiding the unnecessary use of advanced reproductive techniques such as ICSI, or using less harmful ones like simple intra-uterine insemination. Of notice, is that an ICSI performed with a better quality sperm, after medical and/or surgical interventions by trained andrologists, will most likely result in increased success rates with less complications, such as: minor and major malformations, abortion, premature delivery or low-birth weight, enhancement of genetic disorders, hyperstimulation syndrome therefore protecting both mother and offspring and consequently, future generations. So in the era in which the myth of a “single sperm being Vol. 42 (2): 400-401, March April, 2016

international braz j urol

RE: An easy, reproducible and cost-effective method for andrologists to improve the laboratory diagnosis of nonobstructive azoospermia: a novel microcentrifugation technique