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.

Current as of: June 4, 2014

Author: Healthwise Staff

Medical Review: Sarah Marshall, MD - Family Medicine & Femi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology