Table 1.
Definitions and grading systems proposed for gastric epithelial neoplasia
| References | Dysplasia and related lesions (from Rugge et al[40], modified) |
| Takagi et al[15] | Benign |
| Borderline | |
| Carcinoma | |
| Nagayo[14] | Atypical |
| Borderline | |
| Probable cancer | |
| Definitive cancer | |
| Grundmann[2] | Low-grade GED |
| High-grade GED | |
| Invasive cancer | |
| Oehlert et al[5] | Slight GED |
| Moderate GED | |
| Severer GED | |
| Invasive cancer | |
| Morson et al[4] | Regenerative |
| Mild GED | |
| Moderate GED | |
| Severe GED | |
| Invasive cancer | |
| Ming et al[7] | Grade 1 GED |
| Grade 2 GED | |
| Grade 3 GED | |
| Grade 4 GED | |
| Invasive cancer | |
| Japanese classification of gastric carcinoma[16] | Group I lesions |
| Group II lesions | |
| Group III-IV lesions | |
| Group V lesions | |
| Goldstein et al[9] | Reactive |
| Indefinite for GED | |
| Low-grade GED | |
| High-grade GED | |
| Invasive cancer | |
| Padova classification | Negative |
| Indefinite for dysplasia | |
| Noninvasive neoplasia | |
| Suspect for invasive carcinoma | |
| Invasive carcinoma | |
| Vienna classification | Negative |
| Indefinite for dysplasia | |
| Low grade neoplasia | |
| High grade neoplasia | |
| Invasive neoplasia |
GED: Gastric epithelial dysplasia.