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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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The male reproductive system is a complex network of organs and tissues that work together to produce and transport sperm. The epididymis, vasa deferens, ejaculatory ducts, and urethra are the accessory ducts involved in sperm maturation and transportation. These ducts play a critical role in the production and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
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Accessory Glands of the Male Reproductive System01:16

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The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
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The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...
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Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
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Author Spotlight: Advanced Treatment of Seminal Duct Blockage Employing Endoscopy-Mediated Semen Channel Refluviation
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[Ejaculatory duct obstruction].

Hong-Fei Wu1

  • 1Department of Urology, BenQ Hospital Affiliated to Nanjing Medical University, Nanjing, Jiangsu 210019, China. whf_nj@hotmail.com

Zhonghua Nan Ke Xue = National Journal of Andrology
|February 26, 2010
PubMed
Summary
This summary is machine-generated.

Ejaculatory duct obstruction (EDO) is a key cause of male infertility. Diagnosis involves TRUS and semen analysis, while TURED offers effective treatment, with ART as a backup for fertility restoration.

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Area of Science:

  • Urology
  • Reproductive Medicine
  • Andrology

Context:

  • Ejaculatory duct obstruction (EDO) significantly impacts male fertility, stemming from congenital or acquired causes.
  • Diagnosis relies on clinical history, physical examination, semen analysis, and transrectal ultrasonography (TRUS).
  • Characteristic semen findings include low volume, oligospermia/azoospermia, low pH, and absent fructose.

Purpose:

  • To outline the diagnostic approaches for ejaculatory duct obstruction.
  • To detail the treatment modalities for EDO and their efficacy.
  • To highlight the role of advanced reproductive technologies in managing EDO-related infertility.

Summary:

  • EDO diagnosis integrates patient history, physical findings, semen parameters (low volume, abnormal sperm count, pH, fructose), and TRUS.
  • Seminal vesicle scintigraphy aids in differentiating obstruction types, while vasography and seminal vesiculography confirm the diagnosis.
  • Transurethral resection of the ejaculatory ducts (TURED) is the primary treatment, with assisted reproductive technology (ART) as a secondary option if TURED fails.

Impact:

  • Improved diagnostic accuracy for male infertility due to EDO.
  • Effective treatment strategies for EDO, potentially restoring natural fertility.
  • Guidance on utilizing ART for cases unresponsive to surgical intervention.