NIH-Sponsored Chronic Prostatitis Collaborative Research Network
Back to our report on the November 1998 NIH-Sponsored Chronic Prostatitis Treatment Workshop
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and forms of prostatitis

The role of prostate "drainage."
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Definition of prostatitis
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About The Prostatitis Foundation
November 5-6, 1998

Workshop on Chronic Prostatitis Treatment Strategies

New Consensus Definition of Prostatitis

About this page
The document below is based on the 1995 NIH meeting. The definition was discussed at the workshop in 1998, but was not altered from what appears below. The general consensus was that it was an improvement on the definition which included "prostatodynia," and that it might encourage clinicians, who now use shockingly little in the way of diagnostic testing, to do a bit more.

The basis for all future research, clinical evaluation, epidemiologic studies, etc., rests on a uniform definition (diagnostic criteria) for the disease.
Classification and Definition of Prostatitis.
The following classifications were approved by the working group chairs and will be the NIDDK reference standard for research studies on these diseases and disorders.
  1. Acute bacterial prostatitis is an acute infection of the prostate.
  2. Chronic bacterial prostatitis is a recurrent infection of the prostate.
  3. Chronic nonbacterial prostatitis/chronic pelvic pain syndrome (CPPS), where there is no demonstrable infection. Subgroups of this class are:
      3.1. Inflammatory chronic pelvic pain syndrome, where white cells are found in the semen expressed prostatic secretions (EPS), or voided bladder urine-3 (VB-3).
      3.2. Non-inflammatory chronic pelvic pain syndrome, where white cells are NOT found in semen, EPS, and VB-3.
  4. Asymptomatic inflammatory prostatitis (AIP), where there are no subjective symptoms but white blood cells are found in prostate secretions or in prostate tissue during an evaluation for other disorders.
Workshop participants agreed that chronic nonbacterial prostatitis/CPPS is the most common symptomatic type of prostatitis, and it may be the most prevalent of all prostate diseases, including benign prostatic hyperplasia Chronic nonbacterial prostatitis/CPPS has not been scientifically demonstrated to be primarily either a disease of the prostate or the result of an inflammatory process.

This information is forwarded to you by the Prostatitis Foundation. We do not provide medical advice. We distribute literature and information relevant to prostatitis. While we encourage all research we do not endorse any doctor, medicine or treatment protocol. Consult with your own physician.
© 2002 The Prostatitis Foundation
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