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I.はじめに
鼻の機能は鼻腔形態と密接な関係があるので,鼻科診療にあたっては鼻腔形態の正常化に常に配慮の必要があるのはいうまでもない。鼻腔形態はX線の導入により詳細に検討されているので今さら加えるべきものがないという議論もあろうが,今回筆者らはあえてX線断層撮影法による鼻腔形態の観察を試みた。その理由は,今までの研究は鼻中隔の形態異常,副鼻腔の発育に主眼がおかれ,鼻腔構造の相互関係の検討が不十分と思われたことと,撮影装置の改良によりかつてより観察の精度が向上したこと,コンピュータの利用により推計学的処理が容易になったことである。
Tomographical observations were carried out on the nasal cavities and paranasal sinuses of 95 adults, who had no or sight infection, and no cyst or tumor. Postoperative cases were also excluded.
The results revealed that there were close correlations among the shape, size and position of different structures of the nasal cavities including the nasal septum, inferior and middle turbinates.
The size of the paranasal sinuses was also correlated with the above structures.
As a conclusion, it was emphasized that in practice we should try not only to correct a deformity of individual structure but to improve disharmony in the correlations among the different structures in order to construct an adequate space of the nasal air way for restoring the nasal function.
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