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Definition
By Mayo Clinic staffTesticular torsion occurs when a testicle rotates on the spermatic cord, which provides blood flow to the testicle. This rotation cuts off the flow of blood and causes sudden, often severe pain and swelling. Testicular torsion is most common in males under 25, but it can occur at any age, including in newborns and infants.
Testicular torsion requires emergency treatment. If it's treated within a few hours, the testicle can usually be saved. But waiting longer can cause permanent damage and may affect the ability to father children. When blood flow has been cut off for more than 12 hours, a testicle may become so badly damaged it has to be removed.
Although doctors can sometimes untwist a testicle by pushing on the outside of the scrotum, surgery is needed to prevent testicular torsion from recurring.
