Table 1.
The classifications of gastric adenoma of the Japanese Gastric Cancer Association and gastric superficial lesions of the WHO classification and the Vienna classification
|
Classification
|
Code
|
Diagnosis
|
Subtype
|
Subtype 2
|
| JGCA[16] | Gastric adenoma | Intestinal type | ||
| Gastric type | Pyloric gland type | |||
| Foveolar type | ||||
| WHO 2019[13] | 8148/0 | Glandular intraepithelial neoplasia, low grade | ||
| 8148/2 | Glandular intraepithelial neoplasia, high grade | |||
| 8213/0 | Serrated dysplasia, low grade | |||
| 8213/2 | Serrated dysplasia, high grade | Intestinal-type dysplasia | ||
| Foveolar-type (gastric type) dysplasia | ||||
| Gastric pit/crypt dysplasia | ||||
| 8144/0 | Intestinal-type adenoma, low grade | |||
| 8114/2 | Intestinal-type adenoma, low grade | Sporadic intestinal-type gastric adenoma | ||
| Syndromic intestinal-type gastric adenoma | ||||
| 8210/0 | Adenomatous polyp, low-grade dysplasia | |||
| 8210/2 | Adenomatous polyp, high-grade dysplasia | |||
| Vienna[14] | 3 | Non-invasive low-grade neoplasia | Low-grade adenoma/dysplasia | |
| 4 | Non-invasive high-grade neoplasia | |||
| 4.1 | High-grade adenoma/dysplasia | |||
| 4.2 | Non-invasive carcinoma (carcinoma in situ) | |||
| 4.3 | Suspicion of invasive carcinoma | |||
| 5 | Invasive neoplasia | |||
| 5.1 | Intramucosal carcinoma | |||
| 5.2 | Submucosal carcinoma or beyond | |||
| Revised Vienna[15] | 3 | Mucosal low-grade neoplasia | Low-grade adenoma/dysplasia | |
| 4 | Mucosal high-grade neoplasia | |||
| 4.1 | High-grade adenoma/dysplasia | |||
| 4.2 | Non-invasive carcinoma (carcinoma in situ) | |||
| 4.3 | Suspicious for invasive carcinoma | |||
| 4.4 | Intramucosal carcinoma | |||
| 5 | Submucosal invasion by carcinoma |
JGCA: Japanese Gastric Cancer Association.