What is the definition or description of: testicular torsion?

Spermatic cord twist: Testicular torsion is actually the abrupt twisting of the spermatic cord attached to the testicle. Blood flow to the effected testicle is disrupted during torsion. This is an emergency and needs immediate urologic care to diagnose and restore the blood flow to the testicle. Surgery is required to expose the spermatic cord/testes and untwist the cord. Left untreated the testicle will infarct.

High alert /good Hx: The picture of acute one-way course of full-blown testicular torsion has been the most common description in textbook. But any man with intermittent testicular pain of acute onset with highly variable intensity, duration, ; interval for months to years (even up to 10-15 yrs) with nausea ; referring pain in the groin deserves an urgent assessment for intermittent torsion with spontaneous de.