上顎癌のX線診断
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概要
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Roentgenograms of 30 cases of the operated maxillary cancer are compared with the histological findings in the large section preparates. Results as follows:1) The maxillary sinus. The dense shadows with the bright portions and discontinuous contours of the sinus walls are the pathogmotical findings. The destruction of the posterior wall and the pterygoid process are visualized by means of the axial views, Rhese's technic and horizontal or sagittal tomography.2) The almost similar findings are found in the ethmoid portion.3) The sphenoidal sinus has to be examined by means of the axial views and the frontal tomography.4) The dense shadows sometimes were found in the frontal sinus, but no invasion of the cancer in this series.5) The nasolacrimal duct was visualized through the injection of 40% moljodol (0.3cc). Its abnormality revealed the invasion of the cancer in the anterior superior portion of the nasal cavity.6) The arteriography of the external carotid reveals the destruction of the bony walls according to the dislocation of the stem and its branches.The existence of the cancer in the maxillary sinus today is easily diagnosed, but the destruction of the bony wall and its grade may be only demonstrated through the adequate technic according to each wall of the sinus, so that the necessary and complete diagnosis will be only successful by means of some films, taken by adequate technics to the cases.
- 一般社団法人 日本耳鼻咽喉科学会の論文