Development of a Prediction Model for Differential Diagnosis Between Intestinal Tuberculosis and Crohn's Disease

Inclusion Criteria

• •Final diagnostic criteria:
• •Crohn' disease (at least two of the following is met)
• •1. Clinical history of abdominal pain, weight loss, malaise, diarrhea, and/or rectal bleeding
• •2. Endoscopic findings of mucosal cobblestoning, linear ulceration, skip areas, or perianal disease
• •3. Radiologic findings of stricture, fistula, mucosal cobblestoning, or ulceration
• •4. Macroscopic appearance of bowel-wall induration, mesenteric lymphadenopathy, and "creeping fat" at laparotomy
• •5. Pathologic findings of transmural inflammation and/or epithelioid granulomas
• •Intestinal tuberculosis(at least one of the following is met)
• •1. Histologic evidence of caseating granulomas
• •2. Histologic demonstration of acid-fast bacilli
• •3. Growth of M. tuberculosis on tissue culture
• •4. Clinical, colonoscopic, radiologic, and/or operative evidence of Intestinal tuberculosis with proved tuberculosis elsewhere
• •5. Response to antituberculous therapy without subsequent recurrence in patients with clinical, colonoscopic, radiologic, and/or operative evidence of Intestinal tuberculosis