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| {{Prostatitis}} | | {{Prostatitis}} |
| {{CMG}} | | {{CMG}} |
| ==Historical perspective==
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| In 1999, the National Institute of Diabetes and Digestive and Kidney Diseases ([[NIDDK]]) devised a new classification system.<ref name="pmid10422990">{{cite journal |author=Krieger JN, Nyberg L, Nickel JC |title=NIH consensus definition and classification of prostatitis |journal=JAMA |volume=282 |issue=3 |pages=236–7 |year=1999 |month=July |pmid=10422990 |doi= 10.1001/jama.282.3.236|url=http://jama.ama-assn.org/cgi/pmidlookup?view=long&pmid=10422990}}</ref><ref name="Nickel1999">{{cite book|author=J. Curtis Nickel|title=Textbook of prostatitis|url=http://books.google.com/?id=YiZz_xDk7rkC&pg=PA27|accessdate=18 April 2010|year=1999|publisher=Taylor & Francis|isbn=978-1-901865-04-2|pages=27–}}</ref> For more specifics about each type of prostatitis, including information on symptoms, treatment, and prognosis, follow the links to the relevant full articles.
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| {| class="wikitable" style="text-align: center; font-size:85%"
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| |-
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| ! Category
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| ! Pain?
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| ! Bacteria?
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| ! WBCs?
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| ! NIDDK<br />(Current)
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| ! Description
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| ! Meares/Stamey<br />(Old)
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| |-
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| | I
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| | yes
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| | yes
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| | yes
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| | [[Acute prostatitis]]
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| | style="text-align: left" | '''Acute prostatitis''' is a bacterial infection of the prostate gland that requires urgent medical treatment.
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| | Acute bacterial prostatitis
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| |-
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| | II
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| | ±
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| | yes
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| | yes
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| | [[Chronic bacterial prostatitis]]
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| | style="text-align: left" | '''Chronic bacterial prostatitis''' is a relatively rare condition that usually presents as intermittent [[urinary tract infection]]s.
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| | Chronic bacterial prostatitis
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| |-
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| | IIIa
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| | yes
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| | no
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| | yes
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| | Inflammatory CP/CPPS
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| | style="text-align: left" rowspan="2" | [[Chronic prostatitis/chronic pelvic pain syndrome]], accounting for 90%-95% of prostatitis diagnoses,<ref name="pmid16409145">{{cite journal |author=Habermacher GM, Chason JT, Schaeffer AJ |title=Prostatitis/chronic pelvic pain syndrome |journal=Annu. Rev. Med. |volume=57 |issue= |pages=195–206 |year=2006 |pmid=16409145 |doi=10.1146/annurev.med.57.011205.135654}}</ref> used to be known as ''chronic nonbacterial prostatitis''.
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| | [[Nonbacterial prostatitis]]
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| |-
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| | IIIb
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| | yes
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| | no
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| | no
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| | Noninflammatory CP/CPPS
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| | [[Prostatodynia]]
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| |-
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| | IV
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| | no
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| | no
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| | yes
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| | [[Asymptomatic inflammatory prostatitis]]
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| | style="text-align: left" |'''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.<ref name="pmid18455767">{{cite journal |author=Korrovits P, Ausmees K, Mändar R, Punab M |title=Prevalence of asymptomatic inflammatory (National Institutes of Health Category IV) prostatitis in young men according to semen analysis |journal=Urology |volume=71 |issue=6 |pages=1010–5 |year=2008 |month=June |pmid=18455767 |doi=10.1016/j.urology.2007.12.082 |url=}}</ref>
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| | (none)
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| |}
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| In 1968, Meares and Stamey determined a classification technique based upon the culturing of bacteria.<ref name="pmid4870505">{{cite journal |author=Meares EM, Stamey TA |title=Bacteriologic localization patterns in bacterial prostatitis and urethritis |journal=Invest Urol |volume=5 |issue=5 |pages=492–518 |year=1968 |month=March |pmid=4870505 |doi= |url=}}</ref> This classification is no longer used.
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| The conditions are distinguished by the different presentation of pain, [[white blood cell]]s (WBCs) in the urine, duration of symptoms and [[bacteria]] [[Microbiological culture|cultured]] from the urine. To help express prostatic secretions that may contain WBCs and bacteria, [[prostate massage]] is sometimes used.<ref name="urlProstatitis: Benign Prostate Disease: Merck Manual Professional">{{cite web |url=http://www.merckmanuals.com/professional/sec18/ch254/ch254b.html |title=Prostatitis: Benign Prostate Disease: Merck Manual Professional |work= |accessdate=2011-07-11}}</ref>
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| ==References== | | ==References== |
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