PMC7165342_01
Images from the esophagogastroduodenoscopy performed at the time of diagnosis: (a) the esophagus, (b) stomach, and (c) proximal duodenal stricture.
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fig1
EGD (Figure 1). Endoscopic evaluation of the esophagus revealed mild, circumferential, and shallow irregularities in the esophageal mucosa (Figure 1(a)). The gastric mucosa had a diffuse patchy erythema with white-colored mucosa noted in the fundus and pyloric antrum (Figure 1(b)). The 5 mm diameter opening of the stricture prevented further passage of the scope (Figure 1(c)).
Contrast radiography (a) and fluoroscopy (b) of the proximal duodenal stricture.
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fig2
The stenotic areas and "beak-sign" are well visualized on the provided radiographs as well (Figures 2(a) and 2(b)).