Medical illustration of male genitalia with testicles highlighted for testicular cancer.

Varicocele

A varicocele is an enlargement of veins in the scrotum that may affect fertility or cause discomfort. This resource provides information on causes, symptoms, and treatment options.

This chapter contains general information about varicocele. It is not a substitute for professional medical advice or treatment. Always consult your doctor or healthcare provider for guidance on your individual medical situation.

Last updated: August 2026

Reviewed by (2026 update): 

  • Dr. Lisette 't Hoen (EAU Guidelines Panel on Paediatric Urology)