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What is testicular torsion? Can men really lose their testicles and can it lead to infertility?

Testicular torsion occurs when the testicle rotates in the scrotum and twists the spermatic cord, cutting off the blood supply to and from the affected testicle. Experts explain how common it is, as well as the causes and treatments available.

What is testicular torsion? Can men really lose their testicles and can it lead to infertility?

(Photo: iStock/Korrawin)

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When it comes to persistent pain in men, it’s never a good sign, especially when it concerns the testicles. Case in point: Testicular torsion.

The name of the condition may ring a bell for you if you’ve recently read about the teenager who lost a testicle as a result of misdiagnosis and delayed treatment for the issue. The young patient had initially seen a doctor for “pain in his left abdomen that had started from his left testis” and “increased bowel movement with watery stools”.

He was misdiagnosed with stomach-related issues and prescribed antibiotics for the pain and inflammation in his scrotum. However, the boy's condition worsened despite repeated visits to the same doctor. Eventually, he had to undergo surgery to remove the affected testicle.

What exactly is testicular torsion and could it happen to you? Here’s what the urologists say:

WHAT IS TESTICULAR TORSION?

(Art: iStock/Rujirat Boonyong)

Each testis or testicle is connected to the spermatic cord, a cord-like structure that contains blood and lymph vessels, nerves and the vas deferens, a coiled tube that carries sperm out of the testis to the penis during ejaculation.

Testicular torsion occurs when the testicle rotates in the scrotum and twists the spermatic cord, cutting off the blood supply to and from the affected testicle, according to Dr Edwin Jonathan Aslim, a consultant with Singapore General Hospital’s Department of Urology. 

"This can result in infarction (tissue death due to inadequate blood supply) of the affected testis if the arterial blood supply is not restored," said Dr Lim Yong Wei, a consultant from Department of Urology, Sengkang General Hospital.

The repercussions aren’t pleasant. There'll be a sudden onset of pain over a few hours, said Dr Lim, and this is pain that is "out of proportion to any injury suffered by the individual". However, there is usually no sign of fever and urinary problem, he said.

(Photo: iStock/towfiqu ahamed)

The affected testicle may also be higher than the other one and lie horizontally in the swollen scrotum, according to Dr Chong Weiliang, a consultant with National University Hospital’s Department of Urology. Other symptoms may include nausea and vomiting.

HOW COMMON IS IT AND ARE YOU LIKELY TO DEVELOP THE CONDITION?

Testicular torsion can occur at any age, said Dr Aslim, but is most commonly seen in two age groups: During infancy and between 12 and 18 years old. “In adults, we occasionally see these cases in young men presenting to the emergency department, perhaps fewer than five per year,” said Dr Aslim.

While there hasn’t been any local data on testicular torsion cases, the incidence rate could run between 3.5 and 15 per 100,000 males below the age of 25, said Dr Aslim, citing studies done in Asian countries such as South Korea, Taiwan and Japan.

Dr Lim's department has attended to close to 20 cases of testicular torsion in the last two years. "Five of these cases required the removal of the affected testis," he said. According to him, testicular torsion usually affects one testis at a time and it's often the left testicle, he said, citing a 1998 paper on 670 patients in the UK.

(Photo: iStock/Nuttawan Jayawan)

Dr Chong also mentioned that cases are “relatively uncommon” and sees an estimated one or two cases a month. “From historical data, patients with such a predisposition would have mostly presented by the age of 25, though outliers can present later.

“One big factor," he continued, "which predisposes patients to testicular torsion is the laxity of the attachments between the testis and the surrounding scrotal walls." This allows the testis to move more than usual.” According to him, the laxity can affect both testes.

This laxity is likely owing to Bell-Clapper deformity, “a developmental anomaly affecting the tissue layers enveloping or wrapping the testes”, explained Dr Aslim. As a result, the testes are “not properly anchored in place, making them prone to loosely twist and turn within the scrotum”.

“Bell-Clapper deformity often affects both testicles, with rates as high as 100 per cent in some studies,” said Dr Aslim, adding that the condition tends to run in the family.

DO UNDERWEAR CHOICE AND SPORTS INJURIES INCREASE THE RISK OF TESTICULAR TORSION?

Maybe not underwear choice. "There is currently no evidence in medical literature to recommend a choice of underwear between boxers and briefs," said Dr Lim. "We are still not clear on the exact mechanism that causes testicular torsion. We understand that it occurs spontaneously."

But "physical trauma can occasionally be a trigger”, said Dr Aslim. “Therefore, contact sports may, in theory, trigger (testicular torsion) if there is a blow or trauma to the scrotum or testis.”

It doesn't hurt to get some protection down there when playing football, guys.

(Photo: iStock/Image Source)

CAN YOU MASSAGE THE SCROTUM TO UNTWIST THE TESTICLE?

“Massaging the scrotum is not recommended as it’s unlikely to untwist the spermatic cord and may even worsen the twisting,” said Dr Chong.

Furthermore, the patient will be in too much pain to withstand any form of massage, said Dr Aslim. Massage is also not recommended if it results in delay to seek medical help, he said.

IS SURGERY THE ONLY FORM OF TREATMENT AVAILABLE?

Testicular torsion is an emergency and immediate surgical intervention is required to salvage the affected testicle, said Dr Chong. During the procedure, the testicle is untwisted to restore blood flow, then stitched in place to prevent it from twisting again. Doctors typically also anchor the other unaffected testicle, he said.  

Interestingly, in some cases, the twisting may spontaneously undo itself and end the pain and other symptoms, according to Dr Aslim. While this may spell good news for the patient, it’s not so much for the doctor as it is challenging to diagnose the condition without “symptoms and/or abnormal findings”. At times, the testicular torsion may recur and surgery may still be needed.  

(Photo: iStock/Gumpanat)

However, you shouldn’t put up with the pain and wait for the off chance that the testicle may untwist itself. Time is of the essence as the longer the torsion is allowed to manifest, the more damage the testicle accumulates, highlighted Dr Aslim.

For comparison, the success rate of salvaging the testicle is 84 per cent to 100 per cent when operated within six hours from the start of the symptoms, said Dr Lim; this rate drops to 50 per cent if the symptoms started six to 12 hours ago. It drops to a dismal 4 per cent if the patient was operated on 12 to 24 hours later, he said.

“If the torsion has been present for too long and the testicle is unsalvageable, an orchidectomy will be performed,” said Dr Chong, to surgically remove the testicle.

(Art: iStock/Christoph Burgstedt)

HOW WOULD LOSING A TESTICLE AFFECT FERTILITY?

It wouldn’t, said Dr Chong, if the other testicle is healthy. “However, it can reduce the overall hormonal production and semen quality due to the reduced production of sperms.”

Added Dr Aslim: “In cases where the other testicle is abnormal or lost, then losing a testicle may lead to infertility and problems with male physical development”.

Other issues may include psychological distress from the loss of a sex organ, noted Dr Chong. “Regular check-ups with a healthcare provider are essential to monitor hormonal levels and the affected testicular size after testicular torsion,” he said.

Source: CNA/bk

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