Gastric mucosa showing marked infiltration by lymphocytes and plasma cells. Neutrophils are seen infiltrating glands thus indicating activity. H. pylori characteristic forms are seen colonizing glands. No evidence of intestinal metaplasia, atypia or malignancy. Since cytotoxin-producing H. pylori are capable of inducing complications, their serological detection is recommended.
Pyloric ulcer
Soft tissue fragments collectively measured 0.6x0.5 cm, totally embedded
Stomach, endoscopic biopsy: