Histopathological features observed in Helicobacter pylori and Helicobacter heilmannii chronic gastritis
| Feature | H pylori | H heilmannii |
|---|---|---|
| Chronic inflammmation | + ± | + ± |
| Active inflammation | + + + | ± (patchy) |
| Epithelial mucus depletion | + + | − |
| Lymphoid aggregates | + ± | + ± |
| Lymphocyte exudation into gastric foveolae | − | + + |
| Foveolar abscesses | + + | − |









