What are the CDC diagnostic guidelines for acute epididymitis?

Updated: Apr 04, 2018
  • Author: Michelle DiMare, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Answer

The CDC guidelines recommend that the following tests and findings be used to help diagnose acute epididymitis [5] :

  • Gram or methylene blue or gentian violet stain of urethral secretions demonstrating ≥2 white blood cells (WBC) per oil immersion field.
  • Positive leukocyte esterase test on first-void urine.
  • Microscopic examination of sediment from a spun first-void urine demonstrating ≥10 WBC per high-power field.
Color Doppler sonogram of the left epididymis in a Color Doppler sonogram of the left epididymis in a patient with acute epididymitis. The image demonstrates increased blood flow in the epididymis resulting from the active inflammation.

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