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Complications
By Mayo Clinic staffIn order for testicles to develop and function normally, they need to be slightly cooler than normal body temperature. The scrotum provides this cooler environment. Until a boy is 3 or 4 years old, the testicles continue to undergo changes that affect how well they function later.
An undescended testicle isn't in a cooler environment. This might increase the risk of complications later in life. These complications include:
- Testicular cancer. Testicular cancer usually begins in the cells in the testicle that produce immature sperm. What causes these cells to develop into cancer is unknown. Men who've had an undescended testicle have an increased risk of testicular cancer. Surgically correcting an undescended testicle before age 15 months may decrease, but not eliminate, the risk of future testicular cancer.
- Fertility problems. Low sperm counts, poor sperm quality and decreased fertility are more likely to occur among men who have had an undescended testicle.
Other complications related to the abnormal location of the undescended testicle include:
- Testicular torsion. Testicular torsion is the twisting of the spermatic cord, which contains blood vessels, nerves and the tube that carries semen from the testicle to the penis. This painful condition cuts off blood to the testicle. If not treated promptly, it may result in the loss of the testicle. An undescended testicle increases the risk of testicular torsion.
- Trauma. If a testicle is located in the groin, it may be damaged from pressure against the pubic bone.
- Inguinal hernia. An undescended testicle may be associated with an inguinal hernia. If the opening between the abdomen and the inguinal canal is too loose, a portion of the intestines can push into the groin.
- Ashley RA, et al. Cryptorchidism: Pathogenesis, diagnosis, treatment and prognosis. Urologic Clinics of North America. 2010;37:183.
- Cryptorchidism. In: Ferri FF. Ferri's Clinical Advisor 2010. St. Louis, Mo.: Mosby; 2009. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-0-323-05610-6..00012-3--sc0255&uniq=213947045&isbn=978-0-323-05610-6&sid=1037085104#lpState=open&lpTab=contentsTab&content=4-u1.0-B978-0-323-05610-6..00012-3--s5575%3Bfrom%3Dcontent%3Bisbn%3D978-0-323-05610-6%3Btype%3DbookPage. Accessed Aug. 12, 2010.
- Elder JS. Disorders and anomalies of the scrotal contents. In: Kliegman RM, et al. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/213947045-4/1037087645/1608/1246.html#4-u1.0-B978-1-4160-2450-7..50547-8--cesec4_9821. Accessed Aug. 12, 2010.
- Cooper CS, et al. Undescended testes (cryptorchidism) in children and adolescents. http://www.uptodate.com/home/index.html. Accessed Aug. 12, 2010.
- Braunstein GD. Endocrinology and the life span. In: Kronenberg HM, et al. Williams Textbook of Endocrinology. 11th ed. Philadelphia, Pa.: Saunders Elsevier; 2008. http://www.mdconsult.com/das/book/body/213947045-6/1037085104/1555/158.html#4-u1.0-B978-1-4160-2911-3..50026-1--cesec117_2351. Accessed Aug. 12, 2010.
- Nippoldt TB (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 15, 2010.
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