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Prostatitis

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Title: Prostatitis  
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Prostatitis

Prostatitis
Classification and external resources
Micrograph showing an inflamed prostate gland, the histologic correlate of prostatitis. A normal non-inflamed prostatic gland is seen on the left of the image. H&E stain.
ICD-10 N41
ICD-9 601
DiseasesDB 10801
MedlinePlus 000524
eMedicine emerg/488
MeSH D011472

Prostatitis (less commonly prostatosis) is inflammation of the prostate gland. Prostatitis is classified into acute, chronic, asymptomatic inflammatory prostatitis, and chronic pelvic pain syndrome.

In the United States, prostatitis is diagnosed in 8 percent of all urologist visits and 1 percent of all primary care physician visits.[1]

Classification

The term prostatitis refers, in its strictest sense, to histological (microscopic) inflammation of the tissue of the prostate gland. Like all forms of inflammation, it can be associated with an appropriate response of the body to an infection, but it also occurs in the absence of infection.

In 1999, the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) devised a new classification system.[2][3] For more specifics about each type of prostatitis, including information on symptoms, treatment, and prognosis, follow the links to the relevant full articles.

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,[4] used to be known as chronic nonbacterial prostatitis. 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.[5] (none)

In 1968, Meares and Stamey determined a classification technique based upon the culturing of bacteria.[6] This classification is no longer used.

The conditions are distinguished by the different presentation of pain, white blood cells (WBCs) in the urine, duration of symptoms and bacteria cultured from the urine. To help express prostatic secretions that may contain WBCs and bacteria, prostate massage is sometimes used.[7]

See also

References

  1. ^ 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.  
  2. ^ Krieger JN, Nyberg L, Nickel JC (July 1999). "NIH consensus definition and classification of prostatitis". JAMA 282 (3): 236–7.  
  3. ^ J. Curtis Nickel (1999). Textbook of prostatitis. Taylor & Francis. pp. 27–.  
  4. ^ Habermacher GM, Chason JT, Schaeffer AJ (2006). "Prostatitis/chronic pelvic pain syndrome". Annu. Rev. Med. 57: 195–206.  
  5. ^ 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): 1010–5.  
  6. ^ Meares EM, Stamey TA (March 1968). "Bacteriologic localization patterns in bacterial prostatitis and urethritis". Invest Urol 5 (5): 492–518.  
  7. ^ "Prostatitis: Benign Prostate Disease: Merck Manual Professional". Retrieved 2011-07-11. 

External links

  • Prostatitis at DMOZ
  • Prostatitis Self Assessment Calculator
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