Testicular Torsion: Causes, Symptoms and Treatment
Testicular torsion is an acute twisting of the testicle around its own axis, cutting off blood supply and representing a urological emergency requiring immediate surgery.
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Testicular torsion is an acute twisting of the testicle around its own axis, cutting off blood supply and representing a urological emergency requiring immediate surgery.
What is Testicular Torsion?
Testicular torsion is a serious urological emergency in which the testicle rotates around the spermatic cord, cutting off its blood supply. Without prompt treatment, the resulting lack of blood flow can cause permanent damage to the testicular tissue within hours. The condition most commonly affects adolescent males between the ages of 12 and 18, but it can occur at any age, including in newborns.
Causes and Risk Factors
Testicular torsion most commonly occurs due to an anatomical abnormality known as the bell-clapper deformity, in which the testicle is not adequately anchored within the scrotum and is therefore free to rotate. Additional risk factors include:
- Family history of testicular torsion (genetic predisposition)
- Previous episodes of scrotal pain (intermittent torsion)
- Physical activity or trauma to the genital area
- Cold temperatures triggering the cremaster muscle reflex
In many cases, testicular torsion occurs without any identifiable trigger and may even happen during sleep.
Symptoms
The hallmark of testicular torsion is a sudden onset of severe pain in one testicle. Common symptoms include:
- Sudden, severe unilateral testicular pain
- Swelling and redness of the scrotum
- High-riding testicle (caused by shortening of the twisted spermatic cord)
- Nausea and vomiting
- Lower abdominal pain
- Absence of the cremasteric reflex on the affected side
Symptoms typically develop abruptly and worsen rapidly. Any delay in treatment significantly increases the risk of permanent testicular loss.
Diagnosis
Diagnosis of testicular torsion is primarily clinical and must be made quickly. The following approaches are used:
- Physical examination: Assessment of pain localization, testicular position, and the cremasteric reflex
- Color Doppler ultrasound: Imaging to evaluate blood flow to the testicle -- absent blood flow strongly suggests torsion
Important: When testicular torsion is clinically suspected, imaging must not significantly delay surgical exploration. In cases of doubt, the guiding principle is: operate before it is too late.
Treatment
Testicular torsion is a surgical emergency. The only effective treatment is immediate surgical exploration of the scrotum (scrototomy):
- Detorsion: The twisted testicle is manually untwisted to restore blood flow.
- Orchiopexy: The testicle is surgically fixed to the scrotum on both sides to prevent future torsion. The contralateral (opposite) side is fixed prophylactically at the same time.
- Orchiectomy: If the testicle is irreversibly damaged (necrotic), it must be surgically removed.
The viability of the testicle depends heavily on the time elapsed between onset of symptoms and surgery:
- Within 6 hours: salvage rate approximately 90-100%
- 6-12 hours: approximately 50%
- After 24 hours: less than 10%
Complications
If testicular torsion is not treated promptly, the following complications may occur:
- Loss of the affected testicle (testicular atrophy or orchiectomy)
- Impaired fertility
- Psychological distress related to testicular loss
References
- European Association of Urology (EAU): Guidelines on Urological Trauma and Scrotal Emergencies. www.uroweb.org
- Favorito LA et al. - Testicular torsion: aspects of epidemiology, etiology, clinical diagnosis and treatment. Int Braz J Urol. 2020.
- Visser AJ, Heyns CF. - Testicular function after torsion of the spermatic cord. BJU International, 2003.
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Related search terms: Testicular Torsion + Testicle Torsion + Spermatic Cord Torsion + Testicular Twisting