Compare conditions

Put any two — or three — conditions side by side, adult or pediatric, to spot the look-alike differences fast, row by row.

Testis twists

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In one line

·The spermatic cord twists, cutting off blood to the testicle so it starts to die.

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Normal physiology

·Each testicle hangs in the scrotum on a spermatic cord (a bundle of blood vessels, nerves, and the sperm tube) that is anchored to the back wall of the scrotum so the testicle cannot twist around.

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What goes wrong

·The testicle is not anchored properly, so the spermatic cord can twist around itself and squeeze shut the blood vessels inside. Without blood, the testicle starts to die within hours.

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Hallmark signs

·Sudden, severe pain in one testicle that starts quickly and doesn't go away
·The painful testicle sits higher than the other one or is turned at an odd angle
·Swelling and redness of the scrotum (the skin sac holding the testicles)
·Nausea and vomiting
·Belly pain or lower stomach pain on the same side
·The cremasteric reflex is missing (when you stroke the inner thigh, the testicle on that side normally pulls up slightly but it doesn't in torsion)
·Pain does NOT get better when you lift the testicle gently (negative Prehn sign)
·Most common in teenagers (ages twelve to eighteen) but can happen at any age, including newborns

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Red flags · escalate now

·Sudden testicle pain lasting more than one hour — this is a race-against-time emergency because the testicle starts dying after four to six hours without blood
·Testicle pain with vomiting or severe belly pain — means the pain is bad enough to upset the whole nervous system and raises the chance of true torsion
·A testicle that looks higher, swollen, very red, or positioned oddly compared to the other side — these are visible clues the cord has twisted
·No improvement or worsening pain even after rest or pain medicine — torsion pain doesn't ease until the twist is fixed

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Workup

·Color Doppler ultrasound of the scrotum
·Physical exam findings (high-riding testis, absent cremasteric reflex, sudden pain)
·Urinalysis
·Time from symptom start

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Treatment

·Call urology immediately and go straight to the operating room — do not wait for ultrasound if exam is convincing
·Manual detorsion at the bedside (rotate testis outward, like opening a book, usually 1–2 full turns) if surgery will be delayed
·Start an IV line, give strong pain medicine (opioid like morphine or fentanyl), and give anti-nausea medicine (ondansetron)
·In surgery: untwist the spermatic cord, check if the testis turns pink and healthy, then stitch both testicles to the inside of the scrotum (orchiopexy)
·Remove the testis (orchiectomy) only if tissue is clearly black, does not pink up after untwisting, and is obviously dead
·Keep the patient NPO (nothing by mouth) until after surgery, then regular diet as tolerated

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NCLEX trap

·Testicular torsion is a surgical emergency. Every minute counts. If you wait, the testis dies. Call urology right now — do not delay for any reason.
·If the clinical exam shows testicular torsion (sudden pain, high-riding testis, missing reflex), go to surgery first. Ultrasound takes time you do not have. Do not let imaging delay the operation.
·Both sides have the same bell-clapper deformity that lets twisting happen. Always fix both testis by anchoring them down, even if only one side twisted. The other side will twist later if you do not.
·Testicular torsion can happen at any age, even in newborns and older men. Do not rule it out just because the patient is not a typical teenager. Think torsion when you see sudden testis pain, no matter the age.
·A missing reflex is a big red flag for torsion, but a reflex can still be there early in the twist. Do not use the reflex alone to say no to torsion. Use the whole picture — sudden pain, high testis, swelling, no blood flow on ultrasound.
·Manual untwisting might give short-term pain relief, but it does not anchor the testis or fix the bell-clapper deformity. Surgery is the only real fix. You must go to the OR to untwist, check if tissue is dead, and stitch both sides down so it does not twist again.

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