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Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 28, 2014; 20(12): 3164-3172
Published online Mar 28, 2014. doi: 10.3748/wjg.v20.i12.3164
Table 1 Vienna classification of gastrointestinal epithelial neoplasia
Category
1Negative for neoplasia/dysplasia
2Indefinite for neoplasia/dysplasia
3Non-invasive low-grade neoplasia (low-grade adenoma/dysplasia)
4Non-invasive high-grade neoplasia
High-grade adenoma/dysplasia
Non-invasive carcinoma (carcinoma in situ)1
Suspicion of invasive carcinoma
5Invasive neoplasia
Intramucosal carcinoma2
Submucosal carcinoma or beyond
Table 2 Biopsy classification of dysplasia in inflammatory bowel disease
Negative for dysplasiaPositive for dysplasia
Normal mucosaLow-grade dysplasia
Inactive (quiescent) colitisHigh-grade dysplasia
Active colitis