舌癌・歯肉癌の誘因とその組織発生についての考察
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概要
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Cancer of the tongue (eighteen cases), cancer of the gum (three cases) and non-cancerous ulcer of the tongue (five cases) were clinicopathologically examined, and carcinogenesis and histogenesis were discussed. It was supposed that cancer of the tongue or gum in our series may be caused by caries and unadequate metal crown or denture. Especially, the troubles of the lower second premolar or the lower molars hurt the mucous membrane. Leukoplakias were observed in the seven patients among twenty-one patients of cancer. Precancerous lesions in the three patients who had non-cancerous ulcer of the tongue were found.
- 耳鼻と臨床会の論文