Collagenous colitis

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Collagenous colitis
Collagenous colitis - high mag.jpg
Micrograph of collagenous colitis. H&E stain.
Classification and external resources
Specialty gastroenterology
DiseasesDB 2955
eMedicine med/1351
MeSH D046729

Collagenous colitis is an inflammatory bowel disease affecting the colon specifically with peak incidence in the 5th decade of life, affecting women more than men. Its clinical presentation involves watery diarrhea in the absence of rectal bleeding. It is often classified under the umbrella entity microscopic colitis, that it shares with a related condition, lymphocytic colitis.[1]

Signs and symptoms[edit]

Microscopic colitis causes chronic watery diarrhea with greater than 10 bowel movements per day. Some patients report nocturnal diarrhea, abdominal pain, urgency, fecal incontinence, fatigue, dehydration and weight loss. Patients report a significantly diminished quality of life.[1][2]


The cause of collagenous colitis is unknown.[1]


On colonoscopy, the mucosa of the colon typically looks normal, but biopsies of affected tissue usually show deposition of collagen in the lamina propria, which is the area of connective tissue between colonic glands. Radiological tests, such as a barium enema are also typically normal.[2]


Treatment of collagenous colitis is often challenging. Typically, one or more of the following therapeutic agents are used:[1][2]

Pilot-scale studies have shown some evidence of possible benefit for both Boswellia serrata extract and specific strains of probiotics in the treatment of collagenous colitis, although larger sample sizes are needed to confirm the results.[3][4][5]

See also[edit]


  1. ^ a b c d Park, Tina; Cave, David; Marshall, Christopher (2015-08-07). "Microscopic colitis: A review of etiology, treatment and refractory disease". World Journal of Gastroenterology. 21 (29): 8804–8810. doi:10.3748/wjg.v21.i29.8804. ISSN 1007-9327. PMC 4528022Freely accessible. PMID 26269669. 
  2. ^ a b c O’Toole, Aoibhlinn (2016-02-10). "Optimal management of collagenous colitis: a review". Clinical and Experimental Gastroenterology. 9: 31–39. doi:10.2147/CEG.S67233. ISSN 1178-7023. PMC 4754103Freely accessible. PMID 26929656. 
  3. ^ Madisch A, Miehlke S, Eichele O, Mrwa J, Bethke B, Kuhlisch E, Bästlein E, Wilhelms G, Morgner A, Wigginghaus B, Stolte M (Dec 2007). "Boswellia serrata extract for the treatment of collagenous colitis. A double-blind, randomized, placebo-controlled, multicenter trial". International Journal of Colorectal Disease. 22 (12): 1445–51. doi:10.1007/s00384-007-0364-1. PMID 17764013. 
  4. ^ Wildt S, Munck LK, Vinter-Jensen L, Hanse BF, Nordgaard-Lassen I, Christensen S, Avnstroem S, Rasmussen SN, Rumessen JJ (May 2006). "Probiotic treatment of collagenous colitis: a randomized, double-blind, placebo-controlled trial with Lactobacillus acidophilus and Bifidobacterium animalis subsp. lactis". Inflammatory Bowel Diseases. 12 (5): 395–401. doi:10.1097/01.MIB.0000218763.99334.49. PMID 16670529. 
  5. ^ Tromm A, Niewerth U, Khoury M, Baestlein E, Wilhelms G, Schulze J, Stolte M (May 2004). "The probiotic E. coli strain Nissle 1917 for the treatment of collagenous colitis: first results of an open-label trial". Zeitschrift für Gastroenterologie. 42 (5): 365–9. doi:10.1055/s-2004-812709. PMID 15136935. 

Personal experience with collagenous colitis[edit]

  • Chande N, Driman DK, Reynolds RP (March 2005). "Collagenous colitis and lymphocytic colitis: patient characteristics and clinical presentation". Scand. J. Gastroenterol. 40 (3): 343–7. doi:10.1080/00365520510011623. PMID 15932175. 
  • Yen E. F.; Pardi D. S. (May 2011). "Microscopic Colitis – Lymphocytic, Collagenous and 'Mast Cell' Colitis". Alimentary Pharmacology & Therapeutics. 34 (1): 21–32. doi:10.1111/j.1365-2036.2011.04686.x. 
  • Majores Michael; Wunsch Steffen; Blume Bernd; Fischer Hans-Peter & Reichel Christoph (October 2011). "Mucosal Atrophy in Collagenous Colitis: A Case Report". 11 (114). doi:10.1186/1471-230X-11-114. 
  • Milman Nataliya; Kraa Gunnar (2010). "NSAID-induced Collagenous Colitis". The Journal of Rheumatology. 37 (11): 2432–243. doi:10.3899/jrheum.100573.