Vol. 44 (6): 1063-1066, November – December, 2018

doi: 10.1590/S1677-5538.IBJU.2018.06.02


Renato Fraietta 1
1 Setor Integrado de Reprodução Humana, Universidade Federal de São Paulo, São Paulo, SP, Brasil

 Keywords: Azoospermia; Microdissection; Sperm Retrieval; Fertility

Non-obstructive azoospermia (NOA) is the diagnosis of one percent of all men and 10% of men complaining about infertility (1, 2). All NOA patients should be evaluated with complete history and physical examination, with genetic testing (karyotype analysis and Y chromosome microdeletion testing) being offered and performed, which will identify the causes of NOA in up to 17% of men (3, 4). Hormonal profile is also important as up to 47% of men that have impaired spermatogenesis with NOA were found to have hypogonadism (4,5).

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