Endoscopy (including a jejunal biopsy) revealed a macroscopically and histologically normal upper gastrointestinal tract; however, ileocolonoscopy revealed the presence of multiple aphthous ulcers ...

i3 Diffuse aphthous ileitis with diffusely inflamed mucosa i4 Diffuse inflammation with already larger ulcers, nodules, or narrowing For example, only 8.6% of patients with no or mild endoscopic ...

Figure. Endoscopic image demonstrating diffuse aphthous ileitis in the neoterminal ileum. After the patient's colonoscopy, IFX therapeutic drug monitoring was performed. The patient had ...