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    Testicular Torsion

    Testicular Torsion is a topic covered in the 5-Minute Emergency Consult.

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    Basics

    Description

    • Rotation of the testicle around the spermatic cord and vascular pedicle
    • Rotation often occurs medially (two-thirds of cases):
      • Ranges from incomplete (90–180°) to complete (360–1,080°) torsion
      • Depending on the degree of torsion:
        • Vascular occlusion occurs
        • Infarction of the testicle after more than 6 hr of warm ischemia
    • Testicular salvage:
      • 73–100% with <6 hr of ischemia
      • 50–70% at 6–12 hr
      • <20% after 12 hr
      • It is still worthwhile to attempt to salvage the testicle up to 24 hr after the onset.
    • Testicular infarction leads to atrophy and may ultimately decrease fertility.

    Epidemiology

    Bimodal distribution of torsion:
    • Peak incidences in infancy and adolescence
    • 85% of cases occur between ages 12 and 18 yr, with a mean of 13 yr.
    • Torsion is rare after age 30 but still possible.

    Etiology

    • Congenital abnormality of the genitalia:
      • High insertion of the tunica vaginalis on the spermatic cord
      • Redundant mesorchium
      • Permits increased mobility and twisting of the testicle on its vascular pedicle
    • The anatomic abnormality is bilateral in 12%, so both testicles are susceptible to torsion.

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    Citation

    * When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
    TY - ELEC T1 - Testicular Torsion ID - 307321 ED - Barkin,Adam Z, ED - Barkin,Roger M, ED - Hayden,Stephen R, ED - Rosen,Peter, ED - Schaider,Jeffrey J, ED - Shayne,Philip, ED - Wolfe,Richard E, BT - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307321/all/Testicular_Torsion PB - Lippincott Williams & Wilkins ET - 5 DB - Emergency Central DP - Unbound Medicine ER -