| Classification of gastritis see table:> Sydney - classification | |
| Atrophic gastritis | |
 |
The mucosa shows signs of inflammation, at the same time the mucosal layer is thinner and appears to be more transparent. |
| Gastritis | |
 Erythematous gastritis |
 Atrophic gastritis |
| Polypoid gastritis |
Polypoid erosion |
| Exudative gastritis |
Erosive gastritis |
| Granulomatous gastritis |
Bile reflux gastritis |
| Classification of gastritis see table:> Sydney - classification | |
| Atrophic gastritis | |
|
The mucosa shows signs of inflammation, at the same time the mucosal layer is thinner and appears to be more transparent. |