顎関節症患者に対する上下顎関節腔造影エックス線検査の経験

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We would like to introduce the technique of arthrography used at the upper and lower compartments of TMJ in our Department. Typical cases were represented and some discussious were made.<BR>(1) The number of patients suspected to suffer from internal derangements of TMJ and accepted arthrography was 33 cases (37 joints). The results were as follows: 7 normal type joints, 11 clicking type joints (6 early clicking type joints and 5 late clicking type joints), 15 closed lock type joints, and 2 incoordination type. The arthrographic findings of 4 joints were different from the clinical diagnosis. Represented separately were closed lock type 3 joints, late clicking type 1 joints.<BR>(2) Complications as morphological disorder of TMJ's soft tissue were seen in all the joints with internal derangements as follows: 29 joints bad thickening or elongation of the disk, 4 joints folding of the disk, 3 joints perforation of the disk, 9 jointsadhesion of the disk (6 adhesion of the upper compartments, 1 adhesion of the lower compartments, and 3 adhesion of upper and lower compartments).<BR>(3) In almost all the cases after arthrography, the secondary complications were seen as follows: Incomplete occlusion of arthrogramed side, temporary paralysis of facial nerve, motor pain of arthrogramed side. Three cases of closed lock were discovered.
社団法人日本口腔外科学会の論文