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Concept
Testicular torsion
Summary
Testicular torsion occurs when the spermatic cord (from which the testicle is suspended) twists, cutting off the blood supply to the testicle. The most common symptom in children is sudden, severe testicular pain. The testicle may be higher than usual in the scrotum and vomiting may occur. In newborns, pain is often absent and instead the scrotum may become discolored or the testicle may disappear from its usual place.
Most of those affected have no obvious prior underlying health problems. Testicular tumor or prior trauma may increase risk. Other risk factors include a congenital malformation known as a "bell-clapper deformity" wherein the testis is inadequately attached to the scrotum allowing it to move more freely and thus potentially twist. Cold temperatures may also be a risk factor. The diagnosis should usually be made based on the presenting symptoms, but requires timely diagnosis and treatment to avoid testicular loss. An ultrasound can be useful when the diagnosis is unclear.
Treatment is by physically untwisting the testicle, if possible, followed by surgery. Pain can be treated with opioids. Outcome depends on time to correction. If successfully treated within six hours onset, it is often good. However, if delayed for 12 or more hours the testicle is typically not salvageable. About 40% of people require removal of the testicle.
It is most common just after birth and during puberty. It occurs in about 1 in 4,000 to 1 in 25,000 males under 25 years of age each year. Of children with testicular pain of rapid onset, testicular torsion is the cause of about 10% of cases. Complications may include an inability to have children. The condition was first described in 1840 by Louis Delasiauve.
Testicular torsion usually presents with severe testicular pain or pain in the groin and lower abdomen. Pain generally begins suddenly and typically involves only one side. There is often associated nausea and vomiting. The testicle may lie higher in the scrotum due to twisting and subsequent shortening of the spermatic cord or may be positioned in a horizontal orientation.
Official source
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