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Updated: Jul 9, 2026

Chronic Salmonella Infection Induced Intestinal Fibrosis
Published on: September 22, 2019
[Paratuberculose enteritis and Crohn's disease].
Paratuberculose enteritis, caused by Mycobacterium avium subsp. paratuberculosis, shares symptoms with Crohn's disease. This bacterium is increasingly found in Crohn's disease patients, suggesting a potential common etiology.
Area of Science:
- Veterinary Medicine
- Human Gastroenterology
- Microbiology
Background:
- Paratuberculose enteritis is a chronic, infectious ruminant disease characterized by diarrhea, emaciation, and intestinal inflammation.
- Crohn's disease, a type of inflammatory bowel disease, exhibits similar ileitis and colitis with mucosal edema and transmural inflammation.
- The etiological link between Mycobacterium avium subsp. paratuberculosis and Crohn's disease has been long suspected but difficult to prove.
Purpose of the Study:
- To explore the potential shared etiology between paratuberculose enteritis and Crohn's disease.
- To review the evidence for the presence of Mycobacterium avium subsp. paratuberculosis in Crohn's disease patients.
Main Methods:
- Literature review and synthesis of existing research.
- Analysis of diagnostic methods including hemocultures, PCR, and in situ hybridization.
Main Results:
- Mycobacterium avium subsp. paratuberculosis is the causative agent of paratuberculose enteritis in ruminants.
- Significant pathological similarities exist between paratuberculose enteritis and Crohn's disease.
- Increasing evidence demonstrates the frequent presence of Mycobacterium avium subsp. paratuberculosis in Crohn's disease patients.
Conclusions:
- The etiological similarity between paratuberculose enteritis and Crohn's disease warrants further investigation.
- Mycobacterium avium subsp. paratuberculosis is a strong candidate for a common etiological factor in both diseases.
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