Abstract
Nineteen cases with malignant tumors in the nasal cavities have been treated at the department of otolaryngology, Yokoharma City University, during the 10 years from 1978 to 1987. 1. Cases were 8 males and 11 females, and their ages ranged from 27 to 84 years (Mean age: 64.6). 2. In the histological classification, 9 cases were the epithelial malignant tumors (squamous cell carcinoma 5; adenoid cystic carcinoma 2; transitional cell carcinoma 1; malignant pleomorphic adenoma 1), 9 cases were non-epithelial malignant tumors (malignant melanoma 6; malignant lymphoma 2; olfactory neuroblastoma 1), and one case was unclassified malignant tumor. 3. Cases with epithelial malignant tumors showed better prognosis after treatment of surgical and radiation therapy. But those of non-epithelial malignant tumor were worse. 4. A very rare case with malignant pleomorphic adenoma, originated at the lateral nasal wall was reported and its clinical features and treatment were discussed. This tumor has not been reported up to the present in Japan.
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