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  • Title: [Errors in the early diagnosis of malignant tumors of the ethmoid sinus].
    Author: Morokhoev VI.
    Journal: Vestn Otorinolaringol; 1990; (5):60-4. PubMed ID: 2267699.
    Abstract:
    This paper discusses the factors responsible for delayed diagnosis of malignant tumors of ethmoidal sinuses. It presents 9 cases: keratinizing type (6 cases) and nonkeratinizing type (1 case) of squamous cell carcinoma, nasopharyngeal poorly differentiated carcinoma (1 case), esthesioneuroblastoma (1 case). The diagnosis was made on the basis of a detailed study of case histories (spontaneous nasal bleeding and recurrent polyposis) and X-raying (total, contrast and tomographic). The clinical investigation was supplemented with operational green filter optics that helped detect tumor specific lesions. The final diagnosis was made on the basis of histological examinations.
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