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Prostatitis classification

July 1, 2011 by Prostate Dr. 


Prostatitis is an inflammation of the prostate gland that occurs in men. Statistics indicate that the diagnosis of prostatitis is assigned at 8% of all urologist and 1% of all primary care physician visits in the United States. [Collins MM, Stafford RS, O'Leary MP, Barry MJ (1998). "How common is prostatitis? A national survey of physician visits". J. Urol. 159 (4): 1224–8]

In 1999, the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) chose a new classification system.

Category Pain? Bacteria? WBCs? NIDDK
(Current)
Description Meares/Stamey
(Old)
I yes yes yes Acute prostatitis Acute prostatitis is a bacterial infection of the prostate gland that requires urgent medical treatment. Acute bacterial prostatitis
II ± yes yes Chronic bacterial prostatitis Chronic bacterial prostatitis is a relatively rare condition that usually presents as intermittent urinary tract infections. Chronic bacterial prostatitis
IIIa yes no yes Inflammatory CP/CPPS Chronic prostatitis/chronic pelvic pain syndrome, accounting for 90%-95% of prostatitis diagnoses, used to be known as chronic nonbacterial prostatitis.
IIIb yes no no Noninflammatory CP/CPPS Prostatodynia
IV no no yes Asymptomatic inflammatory prostatitis Asymptomatic inflammatory prostatitis patients have no history of genitourinary pain complaints, but leukocytosis is noted, usually during evaluation for other conditions. Between 6-19% of men have pus cells in their semen but no symptoms. [Korrovits P, Ausmees K, Mändar R, Punab M (June 2008). "Prevalence of asymptomatic inflammatory (National Institutes of Health Category IV) prostatitis in young men according to semen analysis". Urology 71 (6)] (none)


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