Abstract
Testicular intraepithelial neoplasia is a premalignant lesion associated to gonadal and extragonadal germ cell tumors. Testicular intraepithelial neoplasia prevalence in infertile men has reached 2% in some studies. This report presents the case of an azoospermic man with an incidental diagnosis of bilateral testicular intraepithelial neoplasia after testicular sperm extraction. In infertile men, sperm retrieving techniques have to include histological analysis of testicular tissue, to discard any chance of malignant component. Patients with spermatogenesis alterations have an increased risk to present other disruptions in gonadal development (neoplasms, hypogonadism, among others) in the context of testicular dysgenesis syndrome.
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