白板症と臨床診断された67症例の臨床病理学的検討

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  • Clinico-pathological Study through 67 Cases Diagnosed as Leukoplakia at First Examination.

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Abstract: Leukoplakia is well known as popular precancerous lesion and there are lots of reports Abstract: Leukoplakia is well known as popular precancerous lesion and there are lots of reports.<BR>By the way, Sugar and Pindborg etc. mentioned reversible leukoplakia, reduced only by removal of the disease factor. Now, we report 67 cases, diagnosed as leukoplakia at the first examination, and further comparison of 41 leukoplakia cases with 26 cases of reversible leukoplakia and resemble diseases, through 67 cases suspected at the first examination.<BR>Clinical findings are as follows:<BR>1. Occurrence ratio in cases having pain in contrast cases is higher than in leukoplakia cases, whilethe ratio of cases having no sign in the contrast cases is lower.<BR>2. Ratio of flat red-white patch type in contrast cases is higher than in leukoplakia.<BR>3. The cases reduced by removal of the disease factor in contrast cases is 16 reversible leukoplakia cases.<BR>4. In resemble diseases, there are 5 cases of lichen planus, 3 squamous cell carcinoma, 2 moniliasis, 1 ulcerative stomatitis.<BR>5. In leukoplakia cases, there is one case (2.4 %) that produces squamous cell carcinoma among cases diagnosed as dysplasia.<BR>Based on these results, definition of leukoplakia by WHO (1978) isn't enough to satisfy conclusively this report in aspect to the clinical side.

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