What are the common presentations of orchitis?

Updated: Jan 02, 2020
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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The most common presentation of orchitis is in a patient in the later stages of epididymitis. In this situation, inflammation has spread to the adjacent testicle and results in a tender, warm, and swollen hemi-scrotal mass. Patients have the characteristic history and urinary findings of epididymitis.

Of patients with orchitis resulting from tuberculosis, 70% have other genitourinary or pulmonary symptoms of this disease.

Viral orchitis is notable for the symptoms of the viral syndrome. Orchitis occurs in approximately 18% of postpubertal boys infected with the mumps virus; symptoms usually begin within 1 week of parotitis. Up to 30% of cases are bilateral, and sterility develops in up to 10% of cases.

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