Double-hit primary high-grade gastric B-cell lymphoma presenting with pancytopaenia and atraumatic back pain: A case report

Figure 1  Positron emission tomography scan showing non-specific mild to moderate heterogeneous uptake in the stomach, most intensely in the proximal stomach along the greater curvature, and distal stomach along the lesser curvature and pylorus.

Figure 2  Gastroscopy showing multiple 10-20 mm semi-sessile polyps in the gastric fundus, antrum, greater and lesser curvature and the incisura.

Figure 3 Histopathology from the gastric mucosal biopsies. A: Haematoxylin and eosin staining of gastric polyp tissue demonstrating diffuse infiltration by discohesive malignant cells (yellow arrows) (100 ×); B: Ki67 staining demonstrating 100% positivity (100 ×); C: Cellular melocytomatosis oncogene stain positivity (100 ×).