What medical problems are caused by varicocele?

Updated: Jan 02, 2019
  • Author: Wesley M White, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Answer

A varicocele is a dilatation of the pampiniform venous plexus within the scrotum. Approximately 15-20% of the healthy fertile male population is estimated to have varicoceles; however, 40% of infertile men may have them. How a varicocele impairs sperm structure, function, and production is unknown, but researchers believe it interferes with testicular thermoregulation.


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