Testicular torsion is the twisting of the spermatic cord, which cuts off the blood supply to the testicle and surrounding structures within the scrotum.
Some men may be predisposed to testicular torsion as a result of inadequate connective tissue within the scrotum. However, the condition can result from trauma to the scrotum, particularly if significant swelling occurs. It may also occur after strenuous exercise or may not have an obvious cause.
The condition is more common during infancy (first year of life) and at the beginning of adolescence (puberty).
Expert Panel on Urologic Imaging. Acute onset of scrotal pain (without trauma, without antecedent mass). Reston, Va: American College of Radiology; 2005. 4 p.
Ringdahl E. Testicular Torsion. Am Fam Physician. Nov 2006; 74(10): 1739-43.
Wein AJ. Campbell- Walsh Urology. 9th ed. St. Louis, Mo: WB Saunders; 2007.