case_images: PMC11261660_01
case_images: Upper gastrointestinal endoscopy showing Group B reflux oesophagitis.
case_images: acmi-6-00550-g001.jpg
case_images: PMC11261660_01_acmi-6-00550-g001.jpg
case_images: F1
case_images: He was then scheduled for an upper gastrointestinal endoscopy which showed Grade B reflux oesophagitis (Fig. 1) .
case_images: Gastric biopsy showing colonies of Sarcina ventriculi arranged in classic octads (red arrows). (a) Haematoxylin and eosin (H&E) stain, 40x magnification; (b) H&E stain, 100x magnification.
case_images: acmi-6-00550-g002.jpg
case_images: PMC11261660_01_acmi-6-00550-g002.jpg
case_images: F2
case_images: In addition, many bacterial colonies arranged in octads, morphologically suggestive of S. ventriculi, were noted (Fig. 2).