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Inflammatory bowel disease (view source)
Revision as of 11:15, 5 September 2012
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==Pouchitis== | ==Pouchitis== | ||
===General=== | ===General=== | ||
*Inflammation of an ileal pouch. | *Inflammation of an ileal pouch - a treatment for [[ulcerative colitis]]. | ||
*Chronic pouchitis seen in approximately 15% of patients.<ref name=pmid12617884 >{{Cite journal | last1 = Gionchetti | first1 = P. | last2 = Amadini | first2 = C. | last3 = Rizzello | first3 = F. | last4 = Venturi | first4 = A. | last5 = Poggioli | first5 = G. | last6 = Campieri | first6 = M. | title = Diagnosis and treatment of pouchitis. | journal = Best Pract Res Clin Gastroenterol | volume = 17 | issue = 1 | pages = 75-87 | month = Feb | year = 2003 | doi = | PMID = 12617884 }}</ref> | *Chronic pouchitis seen in approximately 15% of patients.<ref name=pmid12617884 >{{Cite journal | last1 = Gionchetti | first1 = P. | last2 = Amadini | first2 = C. | last3 = Rizzello | first3 = F. | last4 = Venturi | first4 = A. | last5 = Poggioli | first5 = G. | last6 = Campieri | first6 = M. | title = Diagnosis and treatment of pouchitis. | journal = Best Pract Res Clin Gastroenterol | volume = 17 | issue = 1 | pages = 75-87 | month = Feb | year = 2003 | doi = | PMID = 12617884 }}</ref> | ||
*May be assessed by fecal calprotectin.<ref name=pmid18301296>{{Cite journal | last1 = Johnson | first1 = MW. | last2 = Maestranzi | first2 = S. | last3 = Duffy | first3 = AM. | last4 = Dewar | first4 = DH. | last5 = Forbes | first5 = A. | last6 = Bjarnason | first6 = I. | last7 = Sherwood | first7 = RA. | last8 = Ciclitira | first8 = P. | last9 = Nicholls | first9 = JR. | title = Faecal calprotectin: a noninvasive diagnostic tool and marker of severity in pouchitis. | journal = Eur J Gastroenterol Hepatol | volume = 20 | issue = 3 | pages = 174-9 | month = Mar | year = 2008 | doi = 10.1097/MEG.0b013e3282f1c9a7 | PMID = 18301296 }}</ref> | *May be assessed by fecal calprotectin.<ref name=pmid18301296>{{Cite journal | last1 = Johnson | first1 = MW. | last2 = Maestranzi | first2 = S. | last3 = Duffy | first3 = AM. | last4 = Dewar | first4 = DH. | last5 = Forbes | first5 = A. | last6 = Bjarnason | first6 = I. | last7 = Sherwood | first7 = RA. | last8 = Ciclitira | first8 = P. | last9 = Nicholls | first9 = JR. | title = Faecal calprotectin: a noninvasive diagnostic tool and marker of severity in pouchitis. | journal = Eur J Gastroenterol Hepatol | volume = 20 | issue = 3 | pages = 174-9 | month = Mar | year = 2008 | doi = 10.1097/MEG.0b013e3282f1c9a7 | PMID = 18301296 }}</ref> | ||
*Considered a clinico-pathologic diagnosis.<ref name=pmid20958905>{{Cite journal | last1 = Royston | first1 = DJ. | last2 = Warren | first2 = BF. | title = Are we reporting ileal pouch biopsies correctly? | journal = Colorectal Dis | volume = 13 | issue = 11 | pages = 1285-9 | month = Nov | year = 2011 | doi = 10.1111/j.1463-1318.2010.02452.x | PMID = 20958905 }}</ref><ref name=pmid12617884 >{{Cite journal | last1 = Gionchetti | first1 = P. | last2 = Amadini | first2 = C. | last3 = Rizzello | first3 = F. | last4 = Venturi | first4 = A. | last5 = Poggioli | first5 = G. | last6 = Campieri | first6 = M. | title = Diagnosis and treatment of pouchitis. | journal = Best Pract Res Clin Gastroenterol | volume = 17 | issue = 1 | pages = 75-87 | month = Feb | year = 2003 | doi = | PMID = 12617884 }}</ref> | *Considered a clinico-pathologic diagnosis.<ref name=pmid20958905>{{Cite journal | last1 = Royston | first1 = DJ. | last2 = Warren | first2 = BF. | title = Are we reporting ileal pouch biopsies correctly? | journal = Colorectal Dis | volume = 13 | issue = 11 | pages = 1285-9 | month = Nov | year = 2011 | doi = 10.1111/j.1463-1318.2010.02452.x | PMID = 20958905 }}</ref><ref name=pmid12617884 >{{Cite journal | last1 = Gionchetti | first1 = P. | last2 = Amadini | first2 = C. | last3 = Rizzello | first3 = F. | last4 = Venturi | first4 = A. | last5 = Poggioli | first5 = G. | last6 = Campieri | first6 = M. | title = Diagnosis and treatment of pouchitis. | journal = Best Pract Res Clin Gastroenterol | volume = 17 | issue = 1 | pages = 75-87 | month = Feb | year = 2003 | doi = | PMID = 12617884 }}</ref> | ||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features:<ref name=pmid12794576>{{Cite journal | last1 = Shen | first1 = B. | last2 = Achkar | first2 = JP. | last3 = Connor | first3 = JT. | last4 = Ormsby | first4 = AH. | last5 = Remzi | first5 = FH. | last6 = Bevins | first6 = CL. | last7 = Brzezinski | first7 = A. | last8 = Bambrick | first8 = ML. | last9 = Fazio | first9 = VW. | title = Modified pouchitis disease activity index: a simplified approach to the diagnosis of pouchitis. | journal = Dis Colon Rectum | volume = 46 | issue = 6 | pages = 748-53 | month = Jun | year = 2003 | doi = 10.1097/01.DCR.0000070528.00563.D9 | PMID = 12794576 | URL = http://www.lri.ccf.org/pathobio/achkar/documents/Shen2003DisColonRectum.pdf }}</ref> | ||
*[[Neutrophil]]s. | *[[Neutrophil]]s. | ||
*+/-Crypt abscess - indicator of moderate or severe. | |||
*Ulceration. | |||
====Scoring system==== | ====Scoring system==== | ||
Pouchitis disease activity index (PDAI): | Pouchitis disease activity index (PDAI) - based on clinical and pathologic factors: | ||
*Active pouchitis >= 7. | *Active pouchitis >= 7. | ||
*Remission < 7. | *Remission < 7. | ||
The histologic component of the PDAI:<ref name=pmid12794576/> | |||
*Neutrophils. | |||
**Mild. | |||
**Moderate - crypt abscesses. | |||
**Severe - crypt abscesses. | |||
*Ulceration per [[LPF]] (mean). | |||
**<25%. | |||
**25-50%. | |||
**>50. | |||
==See also== | ==See also== | ||