Card 17 / 34: A 22 year-old woman comes to the emergency room with crampy left lower quadrant abdominal pain, 10-12 small volume bloody bowel movements daily with urgency to move her bowels, and a 5 lb weight loss in the past 2 weeks. She has a low grade temperature and a mildly tender abdomen on physical exam. She has a colonoscopy which shows pinpoint ulcerations and friable mucosa throughout the entire colon in a continuous distribution. Biopsies are taken from the colon. Multiple stool cultures are all negative. Which of the following would you most likely find in this patient?
1.) Anti-saccharomyces cerevisiae antibodies (ASCA)
2.) Granulomas on histologic analysis
3.) Fstulae seen on a barium enema
4.) Peri-nuclear anti-neutrophil cytoplasmic antibodies (P-ANCA)
5.) Strictures seen on a barium small bowel x-ray

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