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To assess the histological features of in vivo toluidine blue (TB) uptake in potentially malignant oral lesions (PML) and to determine whether any were related to clinical Dark versus Pale Royal Blue stain and/or to the malignant/dysplastic nature of the lesions. Frozen sections were used to evaluate TB extra- and intra-epithelial distribution, depth of penetration and nuclear or extra-nuclear uptake...
The purpose of the present retrospective study was to learn the long-term outcome of oral premalignant lesions, leukoplakia and erythroplakia, with or without surgical intervention and to relate the outcome to factors supposed to be significant for malignant development including clinical type, demarcation, size, site, presence of epithelial dysplasia, smoking and surgery. A total of 269 lesions in...
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