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Related Concept Videos

Testes: Histology01:27

Testes: Histology

A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
The spermatogenic cells, responsible for producing sperm, are...

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Related Experiment Video

Updated: May 20, 2026

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
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[Microdissection testicular sperm extraction for non-obstructive azoospermia].

Jun Yang1, Ji-Hong Liu

  • 1Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.

Zhonghua Nan Ke Xue = National Journal of Andrology
|July 11, 2012
PubMed
Summary
This summary is machine-generated.

Sperm retrieval is possible for men with non-obstructive azoospermia using microdissection testicular sperm extraction. This technique offers higher success rates and fewer complications than traditional methods for treating male infertility.

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Area of Science:

  • Reproductive medicine
  • Urology
  • Andrology

Context:

  • Non-obstructive azoospermia (NOA) was historically linked to male infertility.
  • Advances in assisted reproductive technologies, like intracytoplasmic sperm injection (ICSI), have enabled sperm retrieval in NOA patients.
  • Isolated spermatogenic regions exist in NOA testes, making sperm retrieval feasible.

Purpose:

  • To provide an overview of microdissection testicular sperm extraction (micro-TESE) for sperm retrieval in non-obstructive azoospermia.
  • To discuss the prediction, surgical procedure, sperm retrieval rates, and postoperative complications associated with micro-TESE.
  • To compare micro-TESE with conventional testicular sperm extraction (TESE) based on efficacy and safety.

Summary:

  • Microdissection testicular sperm extraction (micro-TESE) is a refined surgical technique for retrieving sperm in men with non-obstructive azoospermia.
  • Studies indicate that micro-TESE yields higher sperm retrieval rates compared to conventional TESE.
  • This method is associated with minimal postoperative complications, enhancing patient outcomes.

Impact:

  • Micro-TESE offers improved fertility treatment options for men diagnosed with non-obstructive azoospermia.
  • The technique enhances the likelihood of successful sperm retrieval, even in cases previously considered untreatable.
  • It contributes to the advancement of male infertility management by providing a more effective and safer surgical approach.