Diagnosis of poorly differentiated adenocarcinoma of the stomach by confocal laser endomicroscopy: A case report

Figure 1 Gastroscopy features. A: Endoscopy observation of the small curvature of the stomach; B: Magnified Narrow band imaging examination of the gastric mucosa. NBI: Narrow band imaging.

Figure 2 Confocal endomicroscopy features. A and B: Differentiated adenocarcinoma displaying a disorganized epithelium with dark and irregular glands; C: Undifferentiated adenocarcinoma characterized by dark and irregular cells with no identifiable glandular structures.

Figure 3 Histological examinations of the gastric mucosa by Hematoxylin-eosin staining revealed the pathology. A: Under 40 × magnification; B and C: Under 200 × magnification.