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Post-colectomy peristomal pyoderma gangrenosum

Turab Pishori1, Abdul Haleem Qureshi

  • 1Department of Surgery, The Aga Khan University, Karachi. turab.pishori@aku.edu

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|February 26, 2005
PubMed

Insights

Peristomal pyoderma gangrenosum, an unusual manifestation of ulcerative colitis, can mimic infections. High-dose corticosteroids effectively treated this condition when other therapies failed.

Area of Science:

  • Gastroenterology
  • Dermatology
  • Immunology

Background:

  • Pyoderma gangrenosum (PG) is a rare, neutrophilic dermatosis.
  • It can present as an extra-intestinal manifestation of inflammatory bowel disease (IBD), particularly ulcerative colitis (UC).
  • Peristomal PG is an uncommon subtype occurring around ostomy sites.

Observation:

  • A patient presented with peristomal lesions resembling a necrotizing bacterial infection.
  • The lesions were initially misdiagnosed and treated as a cutaneous infection.
  • Despite standard treatments for infection, the condition persisted and worsened.

Findings:

  • The peristomal lesions were diagnosed as pyoderma gangrenosum.
  • This was recognized as an extra-intestinal manifestation of chronic mucosal ulcerative colitis (MUC).
  • Intravenous high-dose corticosteroid therapy led to rapid and complete resolution of the lesions.

Implications:

  • This case highlights the importance of considering PG in the differential diagnosis of peristomal ulcerations, especially in patients with IBD.
  • Early recognition and appropriate treatment, such as high-dose corticosteroids, can prevent misdiagnosis and improve patient outcomes.
  • Understanding PG as an extra-intestinal manifestation of MUC is crucial for comprehensive patient management.

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