Reasons for diagnostic discordance
| Level of discordance | Reason for discordance | VM diagnosis | OM diagnosis | Review consensus diagnosis |
|---|---|---|---|---|
| Discordance: B, clinically not important; C, clinically important. Reason for discordance: I, image quality; II, interpretation; III, insufficient clinical information. | ||||
| OM, optical microscopy; VM, virtual microscopy. | ||||
| B | II | Chronic gastritis | Acute and chronic gastritis | VM |
| C | III | Gastric adenoma | Gastric hyperplastic polyp | VM |
| C | I | Ulceration ventriculi | Ulcerated, well differentiated adenocarcinoma | OM |
| C | II | Chronic atrophic gastritis | Chronic gastritis with low grade dysplasia | OM |
| B | II | Hyperplastic polyp | Hyperplastic mucosa | OM |
| C | II | Mild colitis | Normal colon | OM |
| C | III | Colitis ulcerosa with dysplasia | Colitis ulcerosa | VM |
| C | III | Adenoma papillare | Hyperplastic polyp | OM |