A varicocele is a widening of the veins along the cord that holds up a man's
Varicose veins - scrotum
Causes, incidence, and risk factors
A varicocele forms when valves inside the veins along the spermatic cord prevent blood from flowing properly. This causes the blood to back up, leading to swelling and widening of the veins. (This is essentially the same process that leads to
Varicoceles usually develop slowly. They are more common in men ages 15 - 25 and are most often seen on the left side of the
The sudden appearance of a varicocele in an older man may be caused by a
Review Date: 09/22/2009
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Louis S. Liou, MD, PhD, Assistant Professor of Urology, Department of Surgery, Boston University School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.