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Differentiation between nonobstructive azoospermia and obstructive azoospermia: then and now [PDF]
Asian Journal of AndrologyMale infertility has seen an increase in prevalence with cases of azoospermia estimated to affect 10%–15% of infertile men. Confirmation of azoospermia subsequently necessitates an early causal differentiation between obstructive azoospermia (OA) and ...
Logan Hubbard +2 more
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A review of testicular histopathology in nonobstructive azoospermia [PDF]
Asian Journal of AndrologyOne major challenge in male factor infertility is nonobstructive azoospermia (NOA), which is characterized by spermatozoa-deficient semen without physical duct blockage.
Taymour Mostafa +2 more
doaj +5 more sources
Epigenetics of nonobstructive azoospermia [PDF]
Asian Journal of AndrologyNonobstructive azoospermia (NOA) is a severe and heterogeneous form of male factor infertility caused by dysfunction of spermatogenesis. Although various factors are well defined in the disruption of spermatogenesis, not all aspects due to the ...
Sezgin Gunes +2 more
doaj +4 more sources
Varicocele and nonobstructive azoospermia [PDF]
Asian Journal of AndrologyApproximately 15% of men in the general population have varicoceles, and varicoceles are diagnosed in 40% of men presenting for fertility evaluations. One percent of men in the general population are azoospermic, and 15% of men presenting for fertility ...
Parviz K Kavoussi +2 more
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Nonobstructive azoospermia: an etiologic review [PDF]
Asian Journal of AndrologyAzoospermia is the complete absence of spermatozoa in the ejaculate in two or more semen analyses after centrifugation. Nonobstructive azoospermia (NOA) represents the most severe form of male factor infertility accounting for 10%–15% of cases and stems ...
Logan Hubbard +2 more
doaj +4 more sources
Diagnostic algorithm in men suspected with nonobstructive azoospermia [PDF]
Asian Journal of AndrologyThis review focuses on the diagnostic algorithm for nonobstructive azoospermia (NOA), a significant male factor contributing to infertility. NOA, characterized by the absence of sperm in the ejaculate, requires a systematic diagnostic approach to ...
Mahdi Bazzi +3 more
doaj +4 more sources
Incidental seminoma in nonobstructive azoospermia: a case report [PDF]
F&S ReportsObjective: To report on the incidental finding of invasive seminoma in a patient with nonobstructive azoospermia during microdissection testicular sperm extraction. Design: Case report.
Jonathan Gal, MD +3 more
doaj +4 more sources
Reproductive outcomes, including neonatal data, following sperm injection in men with obstructive and nonobstructive azoospermia: case series and systematic review [PDF]
Clinics, 2013 We compared pregnancy outcomes following intracytoplasmic sperm injection for the treatment of male infertility according to the type of azoospermia. First, we analyzed our data from 370 couples who underwent intracytoplasmic sperm injection using sperm ...
Sandro C. Esteves, Ashok Agarwal
doaj +5 more sources
Asian Journal of Andrology, 2023 Microdissection testicular sperm extraction (micro-TESE) is widely used to treat nonobstructive azoospermia. However, a good prediction model is required to anticipate a successful sperm retrieval rate before performing micro-TESE.
Chen-Yao Deng +10 more
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Taiwanese Journal of Obstetrics & Gynecology, 2022 Objective: We present our study about the significance of karyotyping and azoospermia factor(AZF) analysis in patients with azoospermia or oligozoospermia.
Shin-Wen Chen +4 more
doaj +2 more sources