A CLASSIFICATION OF CARCINOMA OF THE MAXILLA:(ON OUR LATEST CLASSIFICATION)(PART II)
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概要
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YASUSHI HAMSAKIFrom the Depertment of Radiology, Osaka University, Medical School(Director:Prof.H.Tachiiri)Concerning on the classification of carcinoma of the paranasal sinuses, that was determeined at the 8th International Oto-Rhino-LaryngologicalCongress, we made our latest proposal to the classification.T1:Tumor without bone diestruction localis in the maqillary or ethmoid sinus.T2:Tumor with minimal infiltration in the surrounding tissue.The bone destruction of the posterior wall is strictly and the invasion into the nasal cavity is generously taken into consideration, respectively.T3:Tumor with deep infiltration in other anatomical structures.Radical operation is possible when combined with the exenteration of orbital content, the resection of masseter and the removal of face skin.T4:Tumor with inoperatively extensive infil tration, such as the base of the skull, contralateral side or the epipharynx.The borderplane between the degrees of extension were shown by the schematic figure as the our old classification. 163 patients, who were treated in our hospital during the period of 1957 to 1962 were classified in regard to the stages derived by various classification and the modes of treatment and the 3 year crude survival rates were reviwed.In conclution, the difference between the stages were shown most remarkable by our latest classification of carcinoma of the maxillary and ethomoid sinuses.The result suggests the rationality of our classification and our mode of the treatment.
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