Results 121 to 130 of about 5,092 (173)

Developing a nomogram model for predicting non-obstructive azoospermia using machine learning techniques. [PDF]

Sci Rep
Xiao H, Ding YL, Wang C, Yang P, Chen Q, He HN, Yao R, Huang HL, Chen X, Wang MY, Tang SX, Zhou HL.   +11 more
europepmc   +1 more source

Development of a predictive model and nomogram in sperm retrieval rate based on testicular pathological morphometric parameters in non-obstructive azoospermia patients: a multi-center study. [PDF]

Reprod Biol Endocrinol
Wang HX, He JX, Guo YM, Zhou L, Li SX, He ZT, Jing QY, Wang PQ, Qu LQ, Gao JC, Liu GC, Wang HX, Yang YQ, Ge P, Zhang J, Wang XT, Lv MQ, Chen HG, Zhou DX.   +18 more
europepmc   +1 more source

Analysis of the inflammatory gene expression characteristics and immune microenvironment regulatory mechanisms in the testicular tissue of patients with non-obstructive azoospermia. [PDF]

PLoS One
Ling Q, Liu M, Xu W, Liao C, Pang G.
europepmc   +1 more source

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Obstructive Azoospermia

Urologic Clinics of North America, 2014
Obstructive azoospermia accounts for 40% of azoospermia and results from obstruction of the excurrent ducts (due to many causes) at any location between the rete testis and the ejaculatory ducts. The diagnosis of obstructive azoospermia (OA) requires a stepwise approach to differentiate it from nonobstructive OA and to formulate management options ...
Matthew Wosnitzer
exaly   +3 more sources

OUTCOME OF SURGICAL TREATMENT FOR OBSTRUCTIVE AZOOSPERMIA

Archives of Andrology, 2002
The efficacy of reanastomosis was evaluated in 30 patients with obstructive azoospermia, including 19 postvasectomy cases; 7 cases complicating inguinal herniorrhaphy; 2 cases with a characterized isolated congenital anomaly; 1 case of Young's syndrome; and 1 case with an unknown, possibly congenital cause. In the postvasectomy group.
M Takeyama, N Kondoh, A Tsujimura
exaly   +3 more sources

Imaging of obstructive azoospermia

European Radiology, 1997
Obstructive azoospermia represents approximately 10 % of cases of male hypofertility. It is classified according to the volume of ejaculate. When the latter is normal a proximal obstruction is suspected. Scrotal sonography can help to detect dilation of the epididymal head when clinical findings are equivocal.
F, Cornud, X, Belin, D, Delafontaine, T, Amar, O, Hélénon, J F, Moreau   +5 more
openaire   +2 more sources

Detection and Management of Obstructive Azoospermia

Urology Practice, 2015
Obstructive azoospermia represents a treatable form of male factor infertility. With greater demand for assisted reproductive technologies the general urologist may be tasked with initiating the infertility evaluation and providing counsel for treatment options.
Russell, Hayden, Cigdem, Tanrikut
openaire   +2 more sources

Male Infertility in Humans: An Update on Non-obstructive Azoospermia (NOA) and Obstructive Azoospermia (OA)

2021
Non-obstructive azoospermia (NOA) and obstructive azoospermia (OA) are two common causes of infertility that affect a considerable number of men. However, few studies were performed to understand the molecular etiology of these disorders. Studies based on bioinformatics and genetic analyses in recent years, however, have yielded insightful information ...
Xiaolong, Wu, Dengfeng, Lin, Fei, Sun, C Yan, Cheng   +3 more
openaire   +2 more sources

Obstructive and Non-Obstructive Azoospermia

2012
Azoospermia is defined as the complete absence of spermatozoa upon examination of the semen [including capillary tube centrifugation (CTC), strictly confirmed by the absence of spermatozoa issued in urine after ejaculation]. The presence of rare spermatozoa (
PASTORE, ANTONIO LUIGI, PALLESCHI, GIOVANNI, SILVESTRI, LUIGI, LETO, ANTONINO, CARBONE, Antonio   +4 more
openaire   +1 more source

Sperm retrieval for obstructive azoospermia

Fertility and Sterility, 2006
Advances in the treatment of male infertility now routinely allow men with obstructive azoospermia to have fertility treatment without microsurgical reconstruction. A variety of methods for retrieving sperm from men with obstructive azoospermia have been described.
openaire   +2 more sources