<unk>  is a fluid-filled cyst that develops at the head of the epididymis. The fluid is usually a clear or milky white color and may contain sperm.<unk> s are typically filled with spermatozoa and they can vary in size from several millimeters to many centimeters. Small<unk> s are relatively common, occurring in an estimated 30 percent of males. They are generally not painful. However, some people may experience discomfort such as a dull pain in the scrotum from larger<unk> s. They are not cancerous, nor do they cause an increased risk of testicular cancer. Additionally, unlike varicoceles, they do not reduce fertility. thumb
Spermatocele
Testicular cancer
Hematocele
Chronic testicular pain
Hydrocele
Testicular pain
Urethrocele
Varicocele