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Crohn's disease of large bowel

Last edited: 4/16/2026

Overview

Crohn's disease affecting the large bowel (colon) presents as chronic inflammation characterized by abdominal pain, diarrhea, rectal bleeding, and complications such as strictures and fistulas. 1

Diagnosis

  • Clinical symptoms including chronic diarrhea, abdominal pain, and weight loss.
  • Endoscopic evaluation with biopsies to confirm histopathological features of Crohn's disease.
  • Imaging studies (CT, MRI) to assess extent of disease and complications like fistulas or strictures. 1
  • Management

  • First-line treatments: Anti-inflammatory drugs such as aminosalicylates (e.g., mesalamine) for mild cases. 1
  • Immunomodulators: Azathioprine or 6-mercaptopurine for moderate to severe disease to maintain remission.
  • Biologics: Anti-TNF agents (e.g., infliximab) or integrin receptor antagonists (e.g., vedolizumab) for refractory or severe cases. 1
  • Minimally invasive interventions: Laparoscopic approaches increasingly utilized for urgent surgical interventions in large bowel Crohn's disease. 1
  • Special Populations

  • Pregnancy: Management focuses on maintaining remission with immunomodulators and biologics, with careful consideration of teratogenic risks; expert opinion varies on specific drug safety. 1
  • Elderly: Tailored treatment plans considering comorbidities and surgical risks; minimally invasive techniques preferred when feasible. 1
  • Key Recommendations

  • Utilize laparoscopic techniques for urgent surgical interventions in large bowel Crohn's disease to minimize complications and improve recovery (Evidence: Moderate) 1
  • Initiate treatment with anti-inflammatory agents for mild disease, progressing to immunomodulators or biologics for moderate to severe cases (Evidence: Moderate) 1
  • Individualize treatment plans for elderly patients, prioritizing minimally invasive surgical options when appropriate (Evidence: Expert opinion) 1
  • References

    1 Niyozbekov BM, Rzaev TZ, Khalilov ZB, Chinikov MA. [Minimally invasive interventions in emergency large bowel surgery]. Khirurgiia 2020. link

    Original source

    1. [1]
      [Minimally invasive interventions in emergency large bowel surgery].Niyozbekov BM, Rzaev TZ, Khalilov ZB, Chinikov MA Khirurgiia (2020)

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