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Updated: Jul 27, 2026
10:27
Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
Published on: December 15, 2011
[Crohn disease with unusual cutaneous expression].
R O Soares1, L Rebocho, J Leitão
1Clínica Dermatológica Universitária Serviços de Medicina II-C, Gastroenterologia, Radiologia, Anatomia Patológica e Patologia Cirúrgica, Hospital Santa Maria, Lisboa.
Acta Medica Portuguesa
|March 7, 2002
Summary
Diagnosing Crohn's disease can be challenging, especially with dominant skin symptoms. This case highlights difficulties in identifying Crohn's disease presenting as perianal fistulas without initial intestinal signs.
Area of Science:
- Gastroenterology
- Dermatology
- Radiology
Background:
- Perianal fistula is a common complication of Crohn's disease.
- Diagnosis can be challenging when cutaneous disease is prominent.
- Crohn's disease diagnosis requires careful consideration of diverse presentations.
Observation:
- A 34-year-old male presented with painful perianal nodules over three years.
- Initial cutaneous biopsies were nonspecific, and colonoscopy appeared normal.
- Pelvic CT and fistulography revealed an extensive ischiorectal fistular system without intestinal communication.
Findings:
- Repeated colonoscopy showed normal mucosa.
- Submucosal biopsies revealed noncaseating granulomas, indicative of Crohn's disease.
- The diagnostic challenge stemmed from the absence of overt intestinal symptoms.
Implications:
- This case underscores the importance of considering Crohn's disease in patients with complex perianal fistulas, even with normal initial endoscopic findings.
- Diagnostic strategies may need to include detailed histopathological examination of submucosal biopsies.
- Early and accurate diagnosis of Crohn's disease is crucial for effective management and preventing complications.
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