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Questions and Answers
What percentage of oral epithelial dysplasia cases undergo malignant transformation?
What percentage of oral epithelial dysplasia cases undergo malignant transformation?
- 12% (correct)
- 30%
- 5%
- 20%
What is the recommended grading system for epithelial dysplasia according to the WHO classification (2017)?
What is the recommended grading system for epithelial dysplasia according to the WHO classification (2017)?
- Mild dysplasia, moderate dysplasia, and severe dysplasia (correct)
- Low-grade lesions and high-grade lesions
- Low-grade dysplasia and high-grade dysplasia
- Mild, moderate, and severe epithelial changes
What is the mean time from diagnosis to development of cancer for oral epithelial dysplasia cases?
What is the mean time from diagnosis to development of cancer for oral epithelial dysplasia cases?
- Around 4 years (correct)
- Around 10 years
- Around 6 months
- Around 1 year
How are moderate dysplasia lesions split in the alternative scheme of grading?
How are moderate dysplasia lesions split in the alternative scheme of grading?
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What term has been discontinued and was used to indicate the worst grade of dysplasia?
What term has been discontinued and was used to indicate the worst grade of dysplasia?
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