Results 101 to 110 of about 41,391 (317)

Testicular sperm extraction with intracytoplasmic sperm injection for nonobstructive azoospermia

open access: yesUrology, 1997
To provide fertility for men with nonobstructive azoospermia.A retrospective review of treatment results at a university infertility center was undertaken. Sixteen couples entered an attempted in vitro fertilization (IVF)-intracytoplasmic sperm injection (ICSI) cycle for treatment of nonobstructive azoospermia.
Nikica Zaninovic   +13 more
openaire   +3 more sources

Intrasurgical parameters associated with successful sperm retrieval in patients with non‐obstructive azoospermia undergoing salvage microdissection testicular sperm extraction

open access: yesAndrology, 2021
Patients with non‐obstructive azoospermia with a previously failed conventional testicular sperm extraction may undergo a salvage microdissection testicular sperm extraction with the probability of successful sperm retrieval being almost dependent upon ...
E. Caroppo   +6 more
semanticscholar   +1 more source

Severity of effect considerations regarding the use of mutation as a toxicological endpoint for risk assessment: A report from the 8th International Workshop on Genotoxicity Testing (IWGT)

open access: yesEnvironmental and Molecular Mutagenesis, EarlyView.
Abstract Exposure levels without appreciable human health risk may be determined by dividing a point of departure on a dose–response curve (e.g., benchmark dose) by a composite adjustment factor (AF). An “effect severity” AF (ESAF) is employed in some regulatory contexts.
Barbara L. Parsons   +17 more
wiley   +1 more source

Microdissection testicular sperm extraction (micro-TESE): Predictive value of preoperative hormonal levels and pathology in non-obstructive azoospermia

open access: yesKaohsiung Journal of Medical Sciences, 2018
The aim of this study was to evaluate the predictive value of preoperative hormonal levels and pathology, as well as the outcome of microsurgical testicular sperm extraction in patients with non-obstructive azoospermia (NOA), presenting to our clinic for
Alper Eken, Feray Gulec
doaj   +1 more source

Pregnancy via Testicular Sperm Extraction for Anejaculation After Neuroblastoma Surgery

open access: yesIJU Case Reports, EarlyView.
ABSTRACT Background Surgical treatment of a neuroblastoma, a malignant tumor of the sympathetic nervous system, may result in ejaculatory disorder. There are no reports examining ejaculation disorders after neuroblastoma surgery. Case Presentation The patient was a 31‐year‐old Japanese male who had undergone surgery for neuroblastoma of the abdomen at ...
Jurii Karibe   +8 more
wiley   +1 more source

Surgical sperm retrieval: Techniques and their indications

open access: yesIndian Journal of Urology, 2011
Men with azoospermia can father a child through intra-cytoplasmic sperm injection if sperm can be retrieved from their epididymis or testis. Several percutaneous and open surgical procedures have been described to retrieve sperm.
Rupin Shah
doaj   +1 more source

Factors predicting successful sperm retrieval in men with nonobstructive Azoospermia: A single center perspective

open access: yesHealth Science Reports, 2022
Predicting successful sperm retrieval is essential in counseling infertile men with Azoospermia. Objectives To assess the predictors of successful sperm extraction in men with nonobstructive Azoospermia.
Abdulkareem Aljubran   +8 more
doaj   +1 more source

Predictive factors of successful testicular sperm extraction for non‐obstructive azoospermia with a history of bilateral cryptorchidism and normal testosterone

open access: yesAndrologia, 2021
This study aimed to assess the predictive factors of successful sperm retrieval in non‐obstructive azoospermia with a history of bilateral cryptorchidism. This retrospective study included 103 patients with azoospermia who had micro‐dissection testicular
M. Saber-Khalaf   +2 more
semanticscholar   +1 more source

Mitochondrial dysfunction: Related diseases, influencing factors, and detection

open access: yesInterdisciplinary Medicine, EarlyView.
Mitochondrial dysfunction is implicated in the pathogenesis of numerous diseases, including neurological disorders, cancers, and cardiovascular conditions, through mechanisms such as mitochondrial DNA mutations, dysregulation of mitochondrial network dynamics, and impaired mitophagy.
Zhaojin Li   +9 more
wiley   +1 more source

Successful Treatment of Testicular Failure Type IV Without Micro-Testicular Epididymal Sperm Extraction: A Case Report

open access: yesJournal of Family and Reproductive Health, 2021
Objective: Sperm donation and hormonal therapy with micro-Testicular Epididymal Sperm Extraction (TESE) for infertility from testicular failure might not always be available in some contexts.
Nahathai Paktinun   +3 more
doaj   +1 more source

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