A varicocele is an enlarged, twisted vein (varicose vein) in the scrotum, most often on the left side. It feels like a "bag of worms" and may sometimes cause discomfort.
Primary Medical ReviewerSarah Marshall, MD - Family Medicine
Specialist Medical ReviewerFemi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology
Current as ofJune 4, 2014
WebMD Medical Reference from Healthwise