Padova international | Vienna | Revised Vienna | Japanese Diagnostic Framework for Forceps Biopsy | WHO (2019) |
Category 1: Negative for dysplasia | Category 1: Negative for dysplasia | Category 1: Negative for dysplasia | Group 1: Normal/non-neoplastic | Negative for dysplasia/IEN |
Category 2: Indefinite for dysplasia | Category 2: Indefinite for dysplasia | Category 2: Indefinite for dysplasia | Group 2: Indefinite for neoplasia | Indefinite for dysplasia/IEN |
Category 3.1: Low-grade dysplasia (low-grade noninvasive neoplasia) | Category 3: Noninvasive low-grade neoplasia (low-grade adenoma/dysplasia) | Category 3: Low-grade adenoma/dysplasia | Group 3: Adenoma | Low-grade dysplasia/IEN (low-grade adenoma/dysplasia) |
Category 3.2: High-grade dysplasia (high-grade noninvasive neoplasia) | Category 4: High-grade neoplasia | Category 4: High-grade neoplasia | Group 4: Suspicious for carcinoma | High-grade dysplasia/IEN (high-grade adenoma/dysplasia) |
Category 4.1: High-grade adenoma/dysplasia | Category 4.1: High-grade adenoma/dysplasia | |||
Category 4.2: Noninvasive carcinoma | Category 4.2: Noninvasive carcinoma | |||
Category 4.3: Suspicious for invasive carcinoma | Category 4.3: Suspicious for invasive carcinoma | |||
Category 4: Suspicious for invasive carcinoma | Category 4.4: Intramucosal carcinoma | Group 5: Carcinoma (noninvasive or invasive) | ||
Category 5: Invasive adenocarcinoma | Category 5: Invasive neoplasia | Intramucosal invasive neoplasia (intramucosal carcinoma) | ||
Category 5.1: Intramucosal carcinoma |
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