PMC4748197_01
High-definition white light endoscopy showing cratered and linear esophageal ulcerations consistent with esophageal Crohn's disease prior to treatment with ustekinumab.
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F1
Upper endoscopy revealed oral aphthae and multiple esophageal ulcers, with biopsies showing ulceration and inflammation, which were negative for herpes simplex virus and cytomegalovirus (Figure 1).
High-definition white light endoscopy demonstrating endoscopic remission of esophageal Crohn's disease after treatment with ustekinumab.
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F2
Repeat upper endoscopy revealed complete resolution of oral and esophageal ulceration (Figure 2).