| 摘要 |
<p>The present invention provides a method of detecting oral carcinoma cells with high accuracy, and a method of making possible early detection of oral carcinoma or discrimination between a precancerous lesion and an early cancer in diagnosis of oral carcinoma. The methods are achieved by screening cells for oral carcinoma or precancerous lesion by measuring a DNA copy number in whole chromosomes or a part thereof in a sample, wherein chromosomal regions for which said copy number is measured comprise at least one region selected from the group consisting of: a 22-23 region in the q arm of Chromosome 8, a 14-21 region in the p arm of Chromosome 3 and a 12-22 region in the p arm of Chromosome 5.
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