Diagnosis of intestinal tuberculosis using a monoclonal antibody to Mycobacterium tuberculosis

Figure 1 Typical colonoscopic views of intestinal tuberculosis. A: Colonoscopy shows a circumferential ulcer with edematous flared nodules in the ascending colon (patient 1); B: Colonoscopy shows a whitish mucosal area with an absence of the normal vascular pattern of healed ulcer scars in the ascending colon. Note the concomitant active ulcers in the proximal colon (patient 2).