Ulcerative Colitis Presenting as an Anal Fissure in 78-Years-Old Woman

Introduction: A number of complications are known to occur in the course of inflammatory bowel diseases. However, perianal fistulas and fissure can occur with or without active inflammatory bowel disease, occurrence of which prior to the development of ulcerative colitis is a rare occasion. Case presentation: Here we report a case of ulcerative colitis, which was misdiagnosed, treated as a perianal fissure and anal pressure ulcer without recognizing inflammatory bowel disease. Conclusion: In case of anal fistulas and fissures a multidisciplinary approach should be considered, including both surgical and internal medicine professionals.