Renal: Testicular Torsion: Free MSRA Podcast

✅ MSRA Deep Dive: Testicular Torsion – A True Surgical EmergencyIn this focused podcast, we unpack Testicular Torsion — a critical urological emergency where every second counts. Whether you're prepping for the MSRA or sharpening your clinical instincts, this high-yield breakdown from top-tier revision notes ensures you’ll remember the signs, investigations, and life-saving management when it matters most.🧠 Key Learning Points📌 Definition• Testicular torsion is a urological emergency where the spermatic cord twists, cutting off blood supply to the testicle• Leads to ischaemia, necrosis, and potential testicular loss if untreated📌 Causes & Risk Factors• Caused by abnormal testicular mobility — especially due to the bell clapper deformity• Other risks:High tunica vaginalis attachmentPrevious episodes of pain (intermittent torsion)Family historyAdolescents = peak incidence (esp. ages 12–18)Trauma (in ~4–8% cases)📌 Pathophysiology• Twisting of the spermatic cord → blocks venous outflow → congestion → arterial flow compromised• Results in rapid-onset ischaemia → testicular necrosis• Time-dependent injury: testicle viability drops dramatically after 6 hours📌 Epidemiology• ~1 in 4,000 males under 25 affected annually• Most common in teenage boys• UK data: >3,300 cases in one year, ~2,500 in children• Prior episodes of sudden scrotal pain may signal prior self-resolving torsion📌 Clinical Features• Sudden, severe unilateral testicular pain• Often with nausea/vomiting, scrotal swelling, redness• Testis may be:High-ridingHorizontally aligned (bell clapper position)• Absent cremasteric reflex = highly sensitive (100%)• Negative Prehn's sign: lifting worsens pain (opposite of epididymitis)• Pain improving is not reassuring → may indicate necrosis📌 Differential Diagnosis• Epididymitis, epididymo-orchitis• Torsion of testicular appendage (blue dot sign)• Hydrocele (transilluminates, painless)• Incarcerated hernia• Mumps orchitis, testicular tumour📌 Investigations• Primarily clinical diagnosis• Doppler ultrasound:Sensitivity ~93%, specificity 100%Whirlpool sign = twisted cordBut early/partial torsion may show preserved flowNormal Doppler DOES NOT rule out torsion• UK guidance: Do not delay surgery for imaging if suspicion is high• Consider Doppler in uncertain/atypical presentations after senior review📌 Management• Immediate surgical exploration – do not delay• Intraoperative steps:Detorsion of cordAssess viability (colour, bleeding)If viable: orchidopexy (suture to scrotum)If necrotic: orchidectomy (removal)Always fix both sides (bilateral orchidopexy)• Manual detorsion may be tried temporarily if surgery is delayed• Supportive: analgesia, antiemetics📌 Prognosis• If treated within 6 hours: 90–100% salvage• After 12–24 hours: salvage drops to ~10%• Beyond 24 hours: extremely poor prognosis• Earlier surgery = better fertility and cosmetic outcomes• Delays = higher risk of orchidectomy, testicular atrophy, infertility📌 Complications• Loss of testicle → possible reduced fertility, psychological impact• Testicular atrophy even in salvaged testes• Fertility issues (especially if bilateral risk or delayed presentation)• Long-term monitoring and psychological support may be required📚 Resources for MSRA Revision📄 Revision Notes:https://www.passthemsra.com/topic/testicular-torsion-revision-notes-2/💬 Flashcards:https://www.passthemsra.com/topic/testicular-torsion-flashcards-2/🧠 Accordion Q&A Notes:https://www.passthemsra.com/topic/testicular-torsion-accordion-qa-notes-2/📝 Rapid Quiz:https://www.passthemsra.com/topic/testicular-torsion-rapid-quiz-2/📘 Renal Course:https://www.passthemsra.com/courses/renal-for-the-msra/🏷️ Hashtags#MSRA #MSRARevision #TesticularTorsion #Urology #SurgicalEmergency #AcuteScrotum #MedicalRevision #PassTheMSRA #FreeMSRA #RenalMSRA #UrologyMSRA #TesticularPain