Accuracy of transnasal endoscopy with a disposable esophagoscope compared to conventional endoscopy

Figure 1 Components of the E. G. Scan™ system (first generation). A: A probe containing the camera capsule, bending module and data connector; B: A controller; C: A display system with computer software to display the images (E. G. View™).

Figure 2 Examples of esophageal diseases detected with the E. G. Scan™. A: Large esophageal varices; B: Medium-small esophageal varices; C: Distal esophageal adenocarcinoma; D: Esophageal angiodysplasia.

Figure 3 Barrett’s esophagus images obtained with E. G. Scan™. A and B: Barrett’s without dysplasia; C and D: Barrett’s esophagus with low-grade dysplasia.

Figure 4 Gastric images obtained with E. G. Scan™. A: Portal hypertension gastropathy; B: Bile reflux gastritis.

Figure 5 Duodenal images obtained with E. G. Scan™. A: Normal duodenum; B: Mild duodenitis; C and D: Celiac disease.