Fig. 2.

a Pathological findings of the gastric mucosa on admission and follow-up EGD before prednisone treatment. Magnification ×100. b Gastric biopsy showed total glandular atrophy and marked infiltration of lymphocytes and neutrophils in the lamina propria. Magnification ×400. c–e Follow-up EGD showed that a proton pump inhibitor alone had not improved the macroscopic findings of gastritis. Large mucosal defects and significant erythema with hemorrhage were noted. EGD, esophagogastroduodenoscopy.