A 28-year-old man with a 4-year history of intermittent crampy abdominal pain, low-grade fevers, and non-bloody diarrhea presents with new perianal pain and purulent drainage. Examination reveals fleshy perianal skin tags and multiple cutaneous openings discharging pus. Pelvic MRI shows a transsphincteric fistula with intersphincteric abscess. Colonoscopy reveals the findings marked as **B** in the diagram. Which of the following endoscopic features is MOST characteristic of the condition shown at **B** and helps distinguish it from ulcerative colitis?
Ready to test yourself?
Test your Surgery knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Crohn Disease Perianal Fistula MCQs with AI-powered explanations tailored to your performance.
Create Free Account