Inflammatory bowel disease: Difference between revisions
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*Months to years |
*Months to years |
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*Independent of disease activity |
*Independent of disease activity |
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== Differential Diagnosis == |
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* Infectious mimics (see below) |
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* Radiation colitis |
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* Diversion colitis |
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* Solitary rectal ulcer syndrome |
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* Graft versus host disease |
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* Diverticular colitis |
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* Medication-induced colitis, including [[NSAIDs]], retinoic acid, checkpoint inhibitors, [[mycophenolate]], and [[gold]] |
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* [[CVID]] |
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=== Colitis or Ileitis === |
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* Bacterial: [[Shigella]], enterohemorrhagic [[Escherichia coli]], enteroinvasive [[Escherichia coli]], [[Campylobacter jejuni]], [[Salmonella]], [[Yersinia enterocolitica]], [[Mycobacterium tuberculosis]], [[Clostridioides difficile]], [[Vibrio parahaemolyticus]], [[Chlamydia trachomatis]] ([[lymphogranuloma venereum]]) |
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* Parasitic: [[Entamoeba histolytica]], [[Schistosoma]], [[Balantidium coli]], [[Trichinella spiralis]] |
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* Viruses: [[cytomegalovirus]] |
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=== Proctitis === |
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* [[Neisseria gonorrhoeae]] |
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* [[Herpes simplex virus]] |
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* [[Chlamydia trachomatis]] |
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* [[Treponema pallidum]] |
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* [[Cytomegalovirus]] |
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[[Category:Gastroenterology]] |
[[Category:Gastroenterology]] |
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Latest revision as of 19:22, 19 February 2022
| Ulcerative colitis | Crohn disease | |
|---|---|---|
| Location | Pancolitis (30%) Proctosigmoiditis (50%) Includes PSC (5%) |
Terminal ileum (80%) Ileocolonic (50%) Isolated ileal (30%) Isolated colonic (20%) |
| Distribution | Continuous from rectum | Skip lesions, often rectum-sparing |
| Histology | Mucosal inflammation without granulomas | Transmural inflammation, granulomas, cobblestone |
| Serology | p-ANCA | Anti-Saccharomyces cervisiae IgG |
| Complications | Toxic megacolon Colorectal cancer |
Intraabdominal abscess, perforation, fistulae, strictures, perianal disease, obstruction, colorectal cancer |
Extraintestinal Manifestations
- MSK
- Dermatologic
- Opthalmologic
- Clubbing
- Renal
- Hepatobiliary
- Hematologic
- Aphthous ulcers
Arthritis
Type 1: Pauciarticular
- <5 joints
- Large joints
- Short duration
- Correlates with disease activity
Type 2: Polyarticular
- >5 joints
- Small joints
- Months to years
- Independent of disease activity
Differential Diagnosis
- Infectious mimics (see below)
- Radiation colitis
- Diversion colitis
- Solitary rectal ulcer syndrome
- Graft versus host disease
- Diverticular colitis
- Medication-induced colitis, including NSAIDs, retinoic acid, checkpoint inhibitors, mycophenolate, and gold
- CVID
Colitis or Ileitis
- Bacterial: Shigella, enterohemorrhagic Escherichia coli, enteroinvasive Escherichia coli, Campylobacter jejuni, Salmonella, Yersinia enterocolitica, Mycobacterium tuberculosis, Clostridioides difficile, Vibrio parahaemolyticus, Chlamydia trachomatis (lymphogranuloma venereum)
- Parasitic: Entamoeba histolytica, Schistosoma, Balantidium coli, Trichinella spiralis
- Viruses: cytomegalovirus
