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Obstructive azoospermia

Absence of any measurable level of sperm in his semen, resulting from post-testicular obstruction or retrograde ejaculation. Can be differentiated… 
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2017
Highly Cited
2017
Mutation in TDRD9 causes non-obstructive azoospermia in infertile men
Background Azoospermia is diagnosed when sperm cells are completely absent in the ejaculate even after centrifugation. It is… 
Highly Cited
2013
Highly Cited
2013
Optimization of spermatogenesis‐regulating hormones in patients with non‐obstructive azoospermia and its impact on sperm retrieval: a multicentre study
Study Type – Therapy (outcomes) 
Highly Cited
2012
Highly Cited
2012
Human chorionic gonadotrophin treatment prior to microdissection testicular sperm extraction in non-obstructive azoospermia.
BACKGROUND Despite the improved success rate of sperm retrieval by microdissection testicular sperm extraction (micro-TESE… 
Review
2012
Review
2012
Surgical recovery of sperm in non-obstructive azoospermia.
The development of intracytoplasmic sperm injection (ICSI) opened a new era in the field of assisted reproduction and… 
Review
2004
Review
2004
A review of ten years experience of ICSI.
This review summarizes the introduction of ICSI in the early 1990s as an assisted fertilization procedure in couples with severe… 
Highly Cited
2003
Highly Cited
2003
Testicular sperm extraction with intracytoplasmic sperm injection is successful for the treatment of nonobstructive azoospermia associated with cryptorchidism.
PURPOSE We evaluated the results of testicular sperm extraction (TESE) with intracytoplasmic sperm injection (ICSI) in men with… 
Highly Cited
2000
Highly Cited
2000
Prospective comparative study between microsurgical and conventional testicular sperm extraction in non-obstructive azoospermia: follow-up by serial ultrasound examinations.
The value of testicular sperm extraction (TESE) by microdissection was evaluated according to its physiological consequences… 
Highly Cited
2000
Highly Cited
2000
Serum inhibin B determination is predictive of successful testicular sperm extraction in men with non-obstructive azoospermia.
Recent work indicates that serum inhibin B is a useful marker of spermatogenesis and inhibin B production sufficient to maintain… 
Highly Cited
1997
Highly Cited
1997
Azoospermic men with deletion of the DAZ gene cluster are capable of completing spermatogenesis: fertilization, normal embryonic development and pregnancy occur when retrieved testicular spermatozoa…
Highly Cited
1995
Highly Cited
1995
Pregnancies after testicular sperm extraction and intracytoplasmic sperm injection in non-obstructive azoospermia.
In this study (May 1 until August 31, 1994) a total of 15 azoospermic patients suffering from testicular failure were treated… 
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