A spermatocele is a cyst-like mass that forms within the epididymis. It is usually filled with fluid and dead sperm cells. A spermatocele can be left untreated unless it is growing too large or causing the individual discomfort.
Review Date 8/26/2017
Updated by: Jennifer Sobol, DO, urologist with the Michigan Institute of Urology, West Bloomfield, MI. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.