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Testicular torsion

  • Alternative Names

    Torsion of the testis; Testicular ischemia; Testicular twisting

    • Sudden onset of severe pain in one testicle, with or without a previous predisposing event
    • Swelling within one side of the scrotum (scrotal swelling)
    • Nausea or vomiting
    • Light-headedness

    Additional symptoms that may be associated with this disease:

    • Testicle lump
    • Blood in the semen

    Signs and tests
    • Extremely tender and enlarged testicular region -- more common on the right
    • The testicle on the affected side is higher